★ Which of these do you think is the mostuseful invention?
Which of these do you think is the most useful invention?你認(rèn)為哪一種是最有用的發(fā)明。
Do you think 語法上通常認(rèn)為是插入語，意思是說，去掉它們以后，句子仍然成立。（如果認(rèn)為you 是主語，think 是謂語，其它成份是賓語從句也有道理）。例如：
Who do you think is over there?
你認(rèn)為誰在那兒呢？
What do you think has happened?
你認(rèn)為發(fā)生了什么事情了？
★ He was always trying out new ideas.
He was always trying out new ideas.他總是在試驗(yàn)一些新的想法。
Be always doing 表示“總是在做著…”表達(dá)說話人的一種感情，如贊揚(yáng)或者批評(píng)。例如：
My students are always studying hard.
我的學(xué)生總是在努力學(xué)習(xí)。
He is always making some mistakes.
他總是在犯一些錯(cuò)誤。
★ His father saw him sitting on some eggs.
His father saw him sitting on some eggs.他父親看到他正坐在一些雞蛋上。
See sb.doing 表示“看見某人正干某事”。同義詞組see sb.do 則表示“看見某人做了某事”。類似see 的動(dòng)詞還有hear,feel,watch.例如：
I saw him get on the bus.
我看見他上了車了。
I saw a girl reading in the park.
我看見一個(gè)女孩在公園里讀書。
I heard someone singing in the classroom.
我聽到有人在教室里唱歌。
★ The teacher could not answer all of them.
The teacher could not answer all of them.老師不可能回答所有的問題。
句中否定詞not 和all在一起，構(gòu)成不完全否定。例如：
All the students are not here.
所有的學(xué)生沒都來。
I didn't take all of them.
我沒全拿走。
★ So he wanted to send Tom away from school.
So he wanted to send Tom away from school.所以他想讓湯姆離開學(xué)校。
To send …是一動(dòng)詞不定式。作want 的賓語。動(dòng)詞不定式是原形動(dòng)詞前加一to.動(dòng)詞不定式在句中可作賓語或賓語補(bǔ)足語等。例如：
I want to buy some books.
我想買幾本書。
He came here to help me.
他來幫助我。
I asked him to turn it down.
我讓他把收音機(jī)關(guān)小。
★ She sent for a doctor.
She sent for a doctor.她派人去請(qǐng)大夫。Sent for 表示“派人把某人請(qǐng)來。
Sent 是send 的過去式。Send 表示”派遣“。例如：
Her classmate was ill and she sent for the doctor.
她的同學(xué)病了，所以她派人請(qǐng)了大夫。
Who sent you here?
誰派你來的？
Which of these do you think is the most useful invention?你認(rèn)為哪一種是最有用的發(fā)明。
Do you think 語法上通常認(rèn)為是插入語，意思是說，去掉它們以后，句子仍然成立。（如果認(rèn)為you 是主語，think 是謂語，其它成份是賓語從句也有道理）。例如：
Who do you think is over there?
你認(rèn)為誰在那兒呢？
What do you think has happened?
你認(rèn)為發(fā)生了什么事情了？
★ He was always trying out new ideas.
He was always trying out new ideas.他總是在試驗(yàn)一些新的想法。
Be always doing 表示“總是在做著…”表達(dá)說話人的一種感情，如贊揚(yáng)或者批評(píng)。例如：
My students are always studying hard.
我的學(xué)生總是在努力學(xué)習(xí)。
He is always making some mistakes.
他總是在犯一些錯(cuò)誤。
★ His father saw him sitting on some eggs.
His father saw him sitting on some eggs.他父親看到他正坐在一些雞蛋上。
See sb.doing 表示“看見某人正干某事”。同義詞組see sb.do 則表示“看見某人做了某事”。類似see 的動(dòng)詞還有hear,feel,watch.例如：
I saw him get on the bus.
我看見他上了車了。
I saw a girl reading in the park.
我看見一個(gè)女孩在公園里讀書。
I heard someone singing in the classroom.
我聽到有人在教室里唱歌。
★ The teacher could not answer all of them.
The teacher could not answer all of them.老師不可能回答所有的問題。
句中否定詞not 和all在一起，構(gòu)成不完全否定。例如：
All the students are not here.
所有的學(xué)生沒都來。
I didn't take all of them.
我沒全拿走。
★ So he wanted to send Tom away from school.
So he wanted to send Tom away from school.所以他想讓湯姆離開學(xué)校。
To send …是一動(dòng)詞不定式。作want 的賓語。動(dòng)詞不定式是原形動(dòng)詞前加一to.動(dòng)詞不定式在句中可作賓語或賓語補(bǔ)足語等。例如：
I want to buy some books.
我想買幾本書。
He came here to help me.
他來幫助我。
I asked him to turn it down.
我讓他把收音機(jī)關(guān)小。
★ She sent for a doctor.
She sent for a doctor.她派人去請(qǐng)大夫。Sent for 表示“派人把某人請(qǐng)來。
Sent 是send 的過去式。Send 表示”派遣“。例如：
Her classmate was ill and she sent for the doctor.
她的同學(xué)病了，所以她派人請(qǐng)了大夫。
Who sent you here?
誰派你來的？