五.too句型

(1) too...to do sth.

例：Politics is too important to be left to the politicians.

(=Politics is so important that it can't be left to the politicians.)

(2) can't … too +形容词 无论……也不为过

例：We cannot emphasize the importance of protecting our eyes too much.

六. 感叹句型

(1) What a + Adj + N + S + V!

例：What an important thing it is to keep our promise!

(2) How + Adj + a + N + V!(多么...!)

例：How important a thing it is to keep our promise!

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(3) How + S + V!

例句：How I want to go to Beijing!

七.情态动词句型(含否定)

should ,would, could, might, ought to完成时，表示过去本该做，打算做，想做而未做的事情.

1.should have done =ought to have done 本应该做而没做

2.would have done = 本来就会去做某事而没做

3.could have done = 本可以做某事而没做

4.might have done 本可以做而没做

例：They ought to have apologized. 他们本该道歉的。

5. must have done sth 一定做过某事

否定形式：can't / couldn’t have done

例：She must have come here last night.

She can't have gone there

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6. may have done sth 可能做过某事

否定形式：may not have done

例：Philip may have been hurt seriously in the car accident.

7.might have done sth 或许做过某事 否定形式: might not have done

例：She might have known what the bottle contained.

8.should have done sth 估计已经做了某事

否定形式：should not have done

例：She should have arrived in her office by now.

八.动词不定式句型

(1) It takes / took / will take sb. some time / money to do sth.某人花/花了/将花多长时间/多少钱做某事.

例句：It took me years of hard work to speak good English.

(2) It is + adj +for/of sb to do sth

例：It was careless of Tom to break the cup.

(3) Sb. have / has / had no choice but to do... 某人除了做……别无选择.

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例句：We had no choice but to take a taxi for we'd missed the last bus.

(4) It's not /just like sb. to do sth.……的行为不/正像某人的一贯作风.

例：lt's not like Jim to be late for class. He regards time as the most important thing in life.

(5) …形容词/副词+enough to do sth.

例：I was fortunate enough to travel to South Africa..

(6) It pays to + V ~~~ (...是值得的。)

例句：It pays to help others.

(7) It cost sb some time/money to do sth

例：It must cost a good deal to live here.住这儿一定会花很多钱的。

(8) do all he could to do sth

do what he could to do sth

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例：They were doing everything they could to help the fatherland.

(9) It is hard to imagine/ say … 很难想象/说……

例：It is hard to imagine how Edison managed to work twenty hours each day.

It's hard to say whether the plan is practical.

来源：英语作文大全

编辑：小徐