keep
［誤］ She was keeping something to her father.
［正］ She was keeping something from her father.
［析］ "對某人隱瞞某事"要用"keep something from somebody"句型。
［誤］ He kept to repeat the word again and again.
［正］ He kept repeating the word again and again.
［析］ keep doing something為連續(xù)不斷地做某事。有時可以與keep on doing something互換。它們的區(qū)別在于keep doing something意為該動作一直不停地在進行中，如： When the train started, she kept waving her hand. 而keep on doing something則表示該動作可能停停頓頓但卻一直在進行中，如： He kept on making the same mistakes in grammar.
［誤］ We must keep up the times.
［正］ We must keep up with the times.
［析］ 這句話意為"我們必須趕上時代"，keep up with是"趕上"之意，而keep up則是"堅持下去"的意思，如： Keep it up, don't stop now!
key
［誤］ I lost the key of the door.
［正］ I lost the key to the door.
［析］ 英語中講某某的東西一般要用of，而key, entrance, answer則多用to，如："門的鑰匙"為key to the door, "高速公路入口"為entrance to the highway, "問題的答案"為the answer (key) to the question.
kind
［誤］ This kind of books are not good.
［正］ This kind of books is not good.
［析］ kind在這種句式中應作為主語，如果講Those kinds of books are very good. 則是正確的。
kind sort type
kind和sort為同義詞，意為"種類"，而type則為"型號"，如： What type of this car do you want?(你想要這種車的什么型號?)
knock
［誤］ Someone was knocking the door.
［正］ Someone was knocking at the door.
［析］ knock雖可以作及物動詞，如： The car knocked a hole in the fence. 但作"敲門"講一定要用作不及物動詞： knock at (on) the door.
know
［誤］ I want to know to play this game.
［正］ I want to know how to play this game.
［析］ 要注意英語中在不定式前加疑問代詞或疑問副詞的用法。如：I want to know how to do it / what to do / when to do it / where to go.
know know of
I know him.為"我很了解他。"而I know of him. 則為"我聽說過他。"同樣的用法還有hear和hear of這一詞組。
L
large
［誤］ He found a large number of mistake in his homework.
［正］ He found a large number of mistakes in his homework.
［析］ "a large number of + 復數名詞"，意為大量的。
last
［誤］ This is the newest news.
［正］ This is the latest news.
［析］ "新消息"應為latest news，因為晚到的新聞才是新消息，請注意英語與漢語的區(qū)別。
last the last
［誤］ I saw my brother the last week.
［正］ I saw my brother last week.
［析］ 當談到與目前有關的上月、上星期等概念時只能用last month, last week, 而不能加定冠詞，the last 可用于表示一系列詞的后一個，如： That was the last Christmas I spent at home. 但the last可以用來表示持續(xù)到現在的一個長時期，如： I am busy for the last week.
late
［誤］ Yesterday I went home lately.
［正］ Yesterday I went home late.
［析］ late即可做形容詞又可作副詞；而lately則意為"近的"，如： I haven't seen her lately.
late latter later lately
late有兩個比較級，指時間較晚應用later，如口語中常講： See you later. (一會見。)而latter則指按順序講的后者，或靠后的，其反意詞為former，如： the former president(前總統(tǒng))。又如： I can understand the latter part of the story. 而lately則意為"近來"、"不久前"。laughed at by his classmates. 中的at是不可省掉的。laugh over 則指"笑著談論"某事，如 We laugh over the film. (我們笑著談論那個電影。)
lay
［誤］ We lied on the beach.
［正］ We lay on the beach.
［析］ 英文中有三個動詞易混，在考試中也頻頻出現，它們的現在式，過去式，過去分詞以及現在分詞是：
lay (vt. 放) laid laid laying
lie(vi. 躺) lay lain cying
lie(vi. 說謊) lied lied lying
learn
［誤］ The teacher said："You must study this poem by heart."
［正］ The teacher said："You must learn this poem by heart."
［析］ study與learn在作"學習"講時，常?？梢曰Q，但learn側重于學習成果或初級階段的模仿性學習，如：The little baby is learning to walk. 而study則多側重于學習的過程，如： I'm studying at this college. 而learn…by heart則是"記住"、"背誦"之意。
leave
［誤］ I'll leave Beijing to Shanghai.
［正］ I'll leave Beijing for Shanghai.
［析］ leave for一詞組為"去某地"，如對話中常講I'll leave for Shanghai. 因所離開的地點是雙方都知道的則可以省略。
leave forget
［誤］ I've forgotten my homework at home.
［正］ I've forgotten my homework.
［正］ I've left my homework at home.
［析］ 如果句中有地點狀語則不要用forget, 而要用leave.
lesson
［誤］ I have two lessons of English.
［正］ I have two English lessons.
［正］ I have two lessons in English.
［析］ "我有兩節(jié)英語課。"這一表達法如上，但美國老師講他有兩節(jié)課時則多用"I have two classes."teach somebody a lesson 為"教訓某人"，或"要吸取教訓"，如： Let this thing teaches you a lesson.
lend
［誤］ Please borrow me your bike.
［正］ Please lend me your bike.
［析］ borrow是指"借入"，如： I want to borrow some books from the library. lend 是"借出"，如： I can lend you my bike. 而keep為"借多久"： 如 How long can I keep it?
less
［誤］ He has fewer money than she has.
［正］ He has less money than she has.
［析］ less是little的比較級，而fewer是few的比較級。要注意前者修飾不可數名詞，而后者修飾可數名詞。
let
［誤］ The teacher lets the students clean the classroom as a punishment.
［正］ The teacher makes the students clean the classroom as a punishment.
［析］ 雖然let, have, make有相同的用法，但make和have含有迫使某人做某事的意思。
［誤］ Let's go to the park, will you?
［正］ Let's go to the park, shall we?
［誤］ Let us go to the park, shall we?
［正］ Let us go to the park, will you?
［析］ Let's go的反意疑問句是shall we?而Let us go的反意疑問句則是will you?
life
［誤］ Many people lost their life in the Second World War.
［正］ Many People lost their lives in the Second World War.
［析］ life作為"生命"、"性命"時應為可數名詞；當泛指一般"生活"講時則為不可數名詞，如： Which do you prefer, town life or country life? 又如： Life is not all fun.
light
［誤］ There is a desk with a lit lamp on it.
［正］ There is a desk with a lighted lamp on it.
［析］ light有兩個過去分詞： lighted和lit，當用過去分詞作形容詞當定語時只能用lighted.light可以用作名詞，如： The moon gets its light from the sun. 也可以作形容詞，如： The classroom is very light. 還可以作動詞，如： The little girl lit a match. 作形容詞時還有"輕"、"淺"等意，如： This box is light. I like light blue.
like
［誤］ My sister is very as me.
［正］ My sister is very like me.
［析］ as 作為連詞其后要接從句，如： She is a good student as his brother used to be. 而like是介詞，其后接賓語。
［誤］ Do you like swimming with me tonight.
［正］ Would you like to swim with me tonight.
［析］ like作為動詞當"喜歡"講時，其后面可接不定式也可接動名詞，用不定式多表達一個性的動作，如： I'm sorry I don't like to go swimming tonight. 用動名詞則表示一個習慣性的動作，如： I like swimming very much.
like alike
作為形容詞，alike 一般不作定語，而只作表語，如； The twins are very alike.
［誤］ Would you like swimming with us?
［正］ Would you like to swim with us?
［析］ 在would you like…這一句型中，其后面只能接不定式，而不能接動名詞。like的用法還要注意以下兩點： ① He likes Tom. 為"他喜歡湯姆。"② He is like Tom. 為"他像湯姆。"第二句話的like為介詞，而第一句話的like為動詞。
listen
［誤］ You should hear the teahcer's advice.
［正］ You should listen to the teacher's advice.
［析］ hear多側重于聽到某事或某種聲音，而listen to則側重于聽的傾向性。如： We listen but hear nothing. 例句為"聽取某人意見"，所以只能用listen to someone's advice.
little
［誤］ Don't worry, there is little time.
［正］ Don't worry, there is a little time.
［誤］ There is a little water. Shall I get some?
［正］ There is little water. Shall I get some?
［析］ 要注意中英文在同一問題上的表達法是不同的。如中文"水不多了，我去取點吧。"英文要講"沒水了，我去取點吧。"
little small
little與small是近義詞，在作定語時常?？梢曰Q，如： a little girl或a small girl,但little一般不作表語，如： The car over there is small. 一句中不要用little. 作定語時little常常帶有感情色彩，而small則帶有對比的含義。
live
［誤］ Tom lives with his parents' money.
［正］ Tom lives on his parents' money.
［誤］ He lives on teaching.
［正］ He lives by teaching.
［析］ "靠吃某物為生"應用live on something, 而live by是"靠某種生活手段為生"。
living alive
living側重于生活得很好，身體不錯，如： My grandfather is still living in his eighties. 而alive則強調沒有死而是活著的，如： Is that cat alive or dead?
lonely
［誤］ She wanted to do her homework lonely.
［正］ She wanted to do her homework alone.
［析］ lonely意為"寂寞的"、"孤單的"，如： The old man felt lonely. alone則意為"獨自的"、"單獨的"，如： He lives alone but he doesn't feel lonely.
long
［誤］ I have been studying long for the exam.
［正］ I have been studying for a long time for the exam.
［析］ long用作表達時間的副詞時，在否定句及疑問句中常用，但在肯定句中除與so, too, as…as連用外，一般要用for a long time.
［誤］ I'll call you as long as the book will be returned.
［正］ I'll call you as long as the book is returned.
［析］ as…as引導的狀語從句中可以用一般現在時表示將來。
［誤］ How long do you go to see your parents? Once a week.
［正］ How often do you go to see your parents? Once a week.
［析］ 因為答語為每周所以問的是頻率，要用how often.
look
look for find
look for 側重于 "尋找"這個動作，如： What are you looking for? 而find則側重于結果，如： It is very difficult to find a job. 這里不能用look for，因為真正困難的是"找到"工作。
其他用法還有：
［例］ He often looks back on his highschool days.
［析］ look back on something 為"回顧"、"回想"。
［例］ I wish you wouldn't look down on (upon) the children's work.
［析］ look down on (upon) 為"看不起"某人或某事。
［誤］ I'm looking forward to see you.
［正］ I'm looking forward to seeing you.
［析］ look forward to詞組中的to是介詞，所以其后要加名詞或動名詞，不能接不定式。
lot
［誤］ I can buy this dictionary now, because I have got much money.
［正］ I can buy this dictionary now because I have got a lot of money.
［析］ much money多用于疑問句與否定句中，而在肯定句中要用a lot of.lots of與a lot of之間無多大區(qū)別，兩者都可以修飾可數與不可數名詞，所以常?？梢曰Q。
［誤］ He is more happier now.
［正］ He is a lot happier now.
［析］ 不可用more來修飾比較級，能修飾比較級的詞有very much, a lot, lots, any, no, rather, a little, a bit等。
loud loudly
這兩個詞含意相同，在日常用語中l(wèi)oud多與talk，speak, shout, laugh等動詞連用，如：Don't speak so loud， you'll wake the baby. 而在比較正式的場合才用loudly.
loud aloud
loud多指把聲音放大，而aloud則指要出聲不要默讀。如：-What did you say?-Oh, nothing, I was just think aloud. (我只不過自言自語。)
［誤］ She was keeping something to her father.
［正］ She was keeping something from her father.
［析］ "對某人隱瞞某事"要用"keep something from somebody"句型。
［誤］ He kept to repeat the word again and again.
［正］ He kept repeating the word again and again.
［析］ keep doing something為連續(xù)不斷地做某事。有時可以與keep on doing something互換。它們的區(qū)別在于keep doing something意為該動作一直不停地在進行中，如： When the train started, she kept waving her hand. 而keep on doing something則表示該動作可能停停頓頓但卻一直在進行中，如： He kept on making the same mistakes in grammar.
［誤］ We must keep up the times.
［正］ We must keep up with the times.
［析］ 這句話意為"我們必須趕上時代"，keep up with是"趕上"之意，而keep up則是"堅持下去"的意思，如： Keep it up, don't stop now!
key
［誤］ I lost the key of the door.
［正］ I lost the key to the door.
［析］ 英語中講某某的東西一般要用of，而key, entrance, answer則多用to，如："門的鑰匙"為key to the door, "高速公路入口"為entrance to the highway, "問題的答案"為the answer (key) to the question.
kind
［誤］ This kind of books are not good.
［正］ This kind of books is not good.
［析］ kind在這種句式中應作為主語，如果講Those kinds of books are very good. 則是正確的。
kind sort type
kind和sort為同義詞，意為"種類"，而type則為"型號"，如： What type of this car do you want?(你想要這種車的什么型號?)
knock
［誤］ Someone was knocking the door.
［正］ Someone was knocking at the door.
［析］ knock雖可以作及物動詞，如： The car knocked a hole in the fence. 但作"敲門"講一定要用作不及物動詞： knock at (on) the door.
know
［誤］ I want to know to play this game.
［正］ I want to know how to play this game.
［析］ 要注意英語中在不定式前加疑問代詞或疑問副詞的用法。如：I want to know how to do it / what to do / when to do it / where to go.
know know of
I know him.為"我很了解他。"而I know of him. 則為"我聽說過他。"同樣的用法還有hear和hear of這一詞組。
L
large
［誤］ He found a large number of mistake in his homework.
［正］ He found a large number of mistakes in his homework.
［析］ "a large number of + 復數名詞"，意為大量的。
last
［誤］ This is the newest news.
［正］ This is the latest news.
［析］ "新消息"應為latest news，因為晚到的新聞才是新消息，請注意英語與漢語的區(qū)別。
last the last
［誤］ I saw my brother the last week.
［正］ I saw my brother last week.
［析］ 當談到與目前有關的上月、上星期等概念時只能用last month, last week, 而不能加定冠詞，the last 可用于表示一系列詞的后一個，如： That was the last Christmas I spent at home. 但the last可以用來表示持續(xù)到現在的一個長時期，如： I am busy for the last week.
late
［誤］ Yesterday I went home lately.
［正］ Yesterday I went home late.
［析］ late即可做形容詞又可作副詞；而lately則意為"近的"，如： I haven't seen her lately.
late latter later lately
late有兩個比較級，指時間較晚應用later，如口語中常講： See you later. (一會見。)而latter則指按順序講的后者，或靠后的，其反意詞為former，如： the former president(前總統(tǒng))。又如： I can understand the latter part of the story. 而lately則意為"近來"、"不久前"。laughed at by his classmates. 中的at是不可省掉的。laugh over 則指"笑著談論"某事，如 We laugh over the film. (我們笑著談論那個電影。)
lay
［誤］ We lied on the beach.
［正］ We lay on the beach.
［析］ 英文中有三個動詞易混，在考試中也頻頻出現，它們的現在式，過去式，過去分詞以及現在分詞是：
lay (vt. 放) laid laid laying
lie(vi. 躺) lay lain cying
lie(vi. 說謊) lied lied lying
learn
［誤］ The teacher said："You must study this poem by heart."
［正］ The teacher said："You must learn this poem by heart."
［析］ study與learn在作"學習"講時，常?？梢曰Q，但learn側重于學習成果或初級階段的模仿性學習，如：The little baby is learning to walk. 而study則多側重于學習的過程，如： I'm studying at this college. 而learn…by heart則是"記住"、"背誦"之意。
leave
［誤］ I'll leave Beijing to Shanghai.
［正］ I'll leave Beijing for Shanghai.
［析］ leave for一詞組為"去某地"，如對話中常講I'll leave for Shanghai. 因所離開的地點是雙方都知道的則可以省略。
leave forget
［誤］ I've forgotten my homework at home.
［正］ I've forgotten my homework.
［正］ I've left my homework at home.
［析］ 如果句中有地點狀語則不要用forget, 而要用leave.
lesson
［誤］ I have two lessons of English.
［正］ I have two English lessons.
［正］ I have two lessons in English.
［析］ "我有兩節(jié)英語課。"這一表達法如上，但美國老師講他有兩節(jié)課時則多用"I have two classes."teach somebody a lesson 為"教訓某人"，或"要吸取教訓"，如： Let this thing teaches you a lesson.
lend
［誤］ Please borrow me your bike.
［正］ Please lend me your bike.
［析］ borrow是指"借入"，如： I want to borrow some books from the library. lend 是"借出"，如： I can lend you my bike. 而keep為"借多久"： 如 How long can I keep it?
less
［誤］ He has fewer money than she has.
［正］ He has less money than she has.
［析］ less是little的比較級，而fewer是few的比較級。要注意前者修飾不可數名詞，而后者修飾可數名詞。
let
［誤］ The teacher lets the students clean the classroom as a punishment.
［正］ The teacher makes the students clean the classroom as a punishment.
［析］ 雖然let, have, make有相同的用法，但make和have含有迫使某人做某事的意思。
［誤］ Let's go to the park, will you?
［正］ Let's go to the park, shall we?
［誤］ Let us go to the park, shall we?
［正］ Let us go to the park, will you?
［析］ Let's go的反意疑問句是shall we?而Let us go的反意疑問句則是will you?
life
［誤］ Many people lost their life in the Second World War.
［正］ Many People lost their lives in the Second World War.
［析］ life作為"生命"、"性命"時應為可數名詞；當泛指一般"生活"講時則為不可數名詞，如： Which do you prefer, town life or country life? 又如： Life is not all fun.
light
［誤］ There is a desk with a lit lamp on it.
［正］ There is a desk with a lighted lamp on it.
［析］ light有兩個過去分詞： lighted和lit，當用過去分詞作形容詞當定語時只能用lighted.light可以用作名詞，如： The moon gets its light from the sun. 也可以作形容詞，如： The classroom is very light. 還可以作動詞，如： The little girl lit a match. 作形容詞時還有"輕"、"淺"等意，如： This box is light. I like light blue.
like
［誤］ My sister is very as me.
［正］ My sister is very like me.
［析］ as 作為連詞其后要接從句，如： She is a good student as his brother used to be. 而like是介詞，其后接賓語。
［誤］ Do you like swimming with me tonight.
［正］ Would you like to swim with me tonight.
［析］ like作為動詞當"喜歡"講時，其后面可接不定式也可接動名詞，用不定式多表達一個性的動作，如： I'm sorry I don't like to go swimming tonight. 用動名詞則表示一個習慣性的動作，如： I like swimming very much.
like alike
作為形容詞，alike 一般不作定語，而只作表語，如； The twins are very alike.
［誤］ Would you like swimming with us?
［正］ Would you like to swim with us?
［析］ 在would you like…這一句型中，其后面只能接不定式，而不能接動名詞。like的用法還要注意以下兩點： ① He likes Tom. 為"他喜歡湯姆。"② He is like Tom. 為"他像湯姆。"第二句話的like為介詞，而第一句話的like為動詞。
listen
［誤］ You should hear the teahcer's advice.
［正］ You should listen to the teacher's advice.
［析］ hear多側重于聽到某事或某種聲音，而listen to則側重于聽的傾向性。如： We listen but hear nothing. 例句為"聽取某人意見"，所以只能用listen to someone's advice.
little
［誤］ Don't worry, there is little time.
［正］ Don't worry, there is a little time.
［誤］ There is a little water. Shall I get some?
［正］ There is little water. Shall I get some?
［析］ 要注意中英文在同一問題上的表達法是不同的。如中文"水不多了，我去取點吧。"英文要講"沒水了，我去取點吧。"
little small
little與small是近義詞，在作定語時常?？梢曰Q，如： a little girl或a small girl,但little一般不作表語，如： The car over there is small. 一句中不要用little. 作定語時little常常帶有感情色彩，而small則帶有對比的含義。
live
［誤］ Tom lives with his parents' money.
［正］ Tom lives on his parents' money.
［誤］ He lives on teaching.
［正］ He lives by teaching.
［析］ "靠吃某物為生"應用live on something, 而live by是"靠某種生活手段為生"。
living alive
living側重于生活得很好，身體不錯，如： My grandfather is still living in his eighties. 而alive則強調沒有死而是活著的，如： Is that cat alive or dead?
lonely
［誤］ She wanted to do her homework lonely.
［正］ She wanted to do her homework alone.
［析］ lonely意為"寂寞的"、"孤單的"，如： The old man felt lonely. alone則意為"獨自的"、"單獨的"，如： He lives alone but he doesn't feel lonely.
long
［誤］ I have been studying long for the exam.
［正］ I have been studying for a long time for the exam.
［析］ long用作表達時間的副詞時，在否定句及疑問句中常用，但在肯定句中除與so, too, as…as連用外，一般要用for a long time.
［誤］ I'll call you as long as the book will be returned.
［正］ I'll call you as long as the book is returned.
［析］ as…as引導的狀語從句中可以用一般現在時表示將來。
［誤］ How long do you go to see your parents? Once a week.
［正］ How often do you go to see your parents? Once a week.
［析］ 因為答語為每周所以問的是頻率，要用how often.
look
look for find
look for 側重于 "尋找"這個動作，如： What are you looking for? 而find則側重于結果，如： It is very difficult to find a job. 這里不能用look for，因為真正困難的是"找到"工作。
其他用法還有：
［例］ He often looks back on his highschool days.
［析］ look back on something 為"回顧"、"回想"。
［例］ I wish you wouldn't look down on (upon) the children's work.
［析］ look down on (upon) 為"看不起"某人或某事。
［誤］ I'm looking forward to see you.
［正］ I'm looking forward to seeing you.
［析］ look forward to詞組中的to是介詞，所以其后要加名詞或動名詞，不能接不定式。
lot
［誤］ I can buy this dictionary now, because I have got much money.
［正］ I can buy this dictionary now because I have got a lot of money.
［析］ much money多用于疑問句與否定句中，而在肯定句中要用a lot of.lots of與a lot of之間無多大區(qū)別，兩者都可以修飾可數與不可數名詞，所以常?？梢曰Q。
［誤］ He is more happier now.
［正］ He is a lot happier now.
［析］ 不可用more來修飾比較級，能修飾比較級的詞有very much, a lot, lots, any, no, rather, a little, a bit等。
loud loudly
這兩個詞含意相同，在日常用語中l(wèi)oud多與talk，speak, shout, laugh等動詞連用，如：Don't speak so loud， you'll wake the baby. 而在比較正式的場合才用loudly.
loud aloud
loud多指把聲音放大，而aloud則指要出聲不要默讀。如：-What did you say?-Oh, nothing, I was just think aloud. (我只不過自言自語。)