在英語(yǔ)中，時(shí)態(tài)是英語(yǔ)語(yǔ)法中的難點(diǎn)之一，它種類(lèi)多，容易混淆，下面結(jié)合前面學(xué)過(guò)的九大句型通過(guò)例句說(shuō)明，并做時(shí)態(tài)比較，幫助英語(yǔ)學(xué)習(xí)者理解和掌握時(shí)態(tài)的用法。
一．何謂時(shí)、體、態(tài)
所謂時(shí)是指動(dòng)作或狀態(tài)所處的時(shí)間。分為過(guò)去、現(xiàn)在和將來(lái)。以下以我們前面講過(guò)的十大簡(jiǎn)單句型為主線(xiàn)，系統(tǒng)講解。進(jìn)而對(duì)此有更深的理解。例：
1．主語(yǔ)+系動(dòng)詞+表語(yǔ)
1）. Tom is a college student.
Tom was a college student.
Tom will be a college student.
2 ）It is sunny today.
It was sunny yesterday.
It will be sunny tomorrow.
2. S +V+O 主語(yǔ)+謂語(yǔ)+賓語(yǔ)
Tom studies English now.
Tom studied English years ago.
Tom will study English.
3. S+V 主語(yǔ)+謂語(yǔ)
Tom studies hard.
Tom studied hard before.
Tom will study hard in the future.
4. S+V+Oi+Od 主語(yǔ)+謂語(yǔ)+間接賓語(yǔ)+ 直接賓語(yǔ)
Tom gives me a book.
Tom gave me a book.
Tom will give me a book.
5. S+V+O+S 主語(yǔ)+謂語(yǔ)（動(dòng)詞）+賓語(yǔ)+補(bǔ)語(yǔ)
Tom makes me sad.
Tom made me sad.
Tom will make me sad.
6. S+have+O 主語(yǔ) +have+ 賓語(yǔ)
Tom has many friends.
Tom had many friends.
Tom will have many friends.
7. “there + be …”句型
There are some books on the shelf.
There were some books on the shelf.
There will be some books on the shelf.
8. 比較句型
1) A …than + B （比較級(jí)）
Tom is taller than sally.
Tom was taller than sally.
Tom will be taller than sally.
Tom works harder than sally.
Tom worked hard than sally.
Tom will work hader than sally.
2) as…as… （原級(jí)比較）
Tom is as tall as sally.
Tom was as tall as sally.
Tom will be as tall as sally.
Tom works as hard as sally.
Tom worked as hard as sally.
Tom will work as hard as sally.
9． “It is + adj形容詞 + to do /從句”
It is important to learn English grammar.
It was important to learn Russin grammar.
It will be important to learn Russin grammar.
It is important that we learn English.
It was important that we learnt Russin grammar.
It will be important that we learn Russin grammar
一．何謂時(shí)、體、態(tài)
所謂時(shí)是指動(dòng)作或狀態(tài)所處的時(shí)間。分為過(guò)去、現(xiàn)在和將來(lái)。以下以我們前面講過(guò)的十大簡(jiǎn)單句型為主線(xiàn)，系統(tǒng)講解。進(jìn)而對(duì)此有更深的理解。例：
1．主語(yǔ)+系動(dòng)詞+表語(yǔ)
1）. Tom is a college student.
Tom was a college student.
Tom will be a college student.
2 ）It is sunny today.
It was sunny yesterday.
It will be sunny tomorrow.
2. S +V+O 主語(yǔ)+謂語(yǔ)+賓語(yǔ)
Tom studies English now.
Tom studied English years ago.
Tom will study English.
3. S+V 主語(yǔ)+謂語(yǔ)
Tom studies hard.
Tom studied hard before.
Tom will study hard in the future.
4. S+V+Oi+Od 主語(yǔ)+謂語(yǔ)+間接賓語(yǔ)+ 直接賓語(yǔ)
Tom gives me a book.
Tom gave me a book.
Tom will give me a book.
5. S+V+O+S 主語(yǔ)+謂語(yǔ)（動(dòng)詞）+賓語(yǔ)+補(bǔ)語(yǔ)
Tom makes me sad.
Tom made me sad.
Tom will make me sad.
6. S+have+O 主語(yǔ) +have+ 賓語(yǔ)
Tom has many friends.
Tom had many friends.
Tom will have many friends.
7. “there + be …”句型
There are some books on the shelf.
There were some books on the shelf.
There will be some books on the shelf.
8. 比較句型
1) A …than + B （比較級(jí)）
Tom is taller than sally.
Tom was taller than sally.
Tom will be taller than sally.
Tom works harder than sally.
Tom worked hard than sally.
Tom will work hader than sally.
2) as…as… （原級(jí)比較）
Tom is as tall as sally.
Tom was as tall as sally.
Tom will be as tall as sally.
Tom works as hard as sally.
Tom worked as hard as sally.
Tom will work as hard as sally.
9． “It is + adj形容詞 + to do /從句”
It is important to learn English grammar.
It was important to learn Russin grammar.
It will be important to learn Russin grammar.
It is important that we learn English.
It was important that we learnt Russin grammar.
It will be important that we learn Russin grammar