1. It's+adj.+for sb.+to do sth. 對某人來說做某事怎么樣，

如：

It is dangerous for children to play in the street. 孩子們在街上玩是很危險的。

2. It's time for sth. 是干某事的時間了;

It's time(for sb.)to do sth.該干某事了。如：

①It's time for the meeting. 該開會了。

②It's time for us to go to school. 我們該上學了。

3. It takes sb. some time to do sth.

做某事花某人一些時間。

sb. spend some time/money on sth./(in)doing sth. 某人花時間(金錢)在某事上/花時間(金錢)干某事。

sth. cost sb. some money 某事花某人一些錢。

pay some money for sth.為某事(物)付錢。如：

① It took me two hours to write the letter. 寫這封信花了我兩小時的時間。

② He spends half an hour(in)reading English every morning.他每天早上花半小時讀英語。

③ He spends one hour on the housework every day. 他每天花一小時做家務。

④ The bike cost me 500 yuan. 這輛自行車花了我500元。

⑤ I spent 500 yuan on the bike. 我買這輛自行車花了500元。

⑥ I paid 500 yuan for the bike. 我花了500元買這輛自行車。

重要提示：

cost主語一般為物;spend, pay主語一般為人。例 ① 中it用作形式主語，動詞不定式為真正主語。

4. too+形容詞/副詞+to do... 太……以致不能…… 如：

① I was too excited to say a word.

我激動得一個字也說不出來。

② Tom is too short to reach the apple.

Tom太矮了,拿不到那個蘋果。

重要提示：

這是一個否定句型，不能在不定式前加not，可以用so... that...結構改寫。例句 ① 可以改寫成：I was so excited that I couldn’t say a word.

5. so that...以便/以致…… 如：

① They studied hard so that they could pass the exam. 為了能通過考試,他們學習很努力。

② They started early so that they caught the early bus. 他們起得很早,結果趕上了早班車。

重要提示：

在例句①中，是引導目的狀語;在例句②中，是引導結果狀語。一般來講，若從句中含有情態動詞，則so that引導的為目的狀語。若無情態動詞，則so that引導的為結果狀語。

6. 祈使句+then/or/and+陳述句 如：

①Work hard,and/then/and then you will live a happy life. 努力工作，你就會過上幸福的生活。

②Hurry up,or we will be late for school. 快點，否則我們上學就遲到了。

注意：以上句型都可以用條件狀語從句來改寫。例句②可以改寫成：If we don't hurry up, we'll be late for school.

7. 表達建議的句型，如：

Why not do...? 為什么不……?

Let's do... 讓我們做……吧。

Shall we do...?我們做……好嗎?

Would you like/to do...?

你想要(做)……嗎?

Will you please do...?

請你做……好嗎?

What(How)about doing...?

做……怎么樣?

had better do/not do sth.

最好做/不做某事。如:

①—Why not go and ask our teacher? ——為什么不去問問老師?

—Good idea! Let's go. ——好主意!走吧!

②—Shall we go out for a walk? ——我們去散步怎么樣?

—No,Let's go to the zoo. ——不,我們去動物園吧。

③Will you please fetch some chalks for me?請你給我拿些粉筆,好嗎?

④—What about singing an English song? ——唱首英文歌曲怎么樣?

—Wonderful! ——好極了!

⑤You had better put on the coat when you go out.你出去時最好把外套穿上。

8. I don't think his answer is right.

我認為他的答案不對。

I can't believe she is right.我相信她是不對的。

You don't think they will come tomorrow,do you?你認為他們明天不會來,是嗎?

重要提醒：

think,believe,suppose等接賓語從句，表示否定時要否定主句。變為反意疑問句時，若主語是第一人稱，簡短問句與賓語從句的主謂語保持一致，若主句主語是其他人稱，與主句主謂語保持一致。例句①變為反意疑問句應為：I can't believe she is right,is she?

9. such+名詞性詞組+that...;so+形容詞/副詞+that... 如此……以致……

如：

①She is such a good teacher that we all love her.她是一個好老師,我們都愛她。

②It was such a hot day that they didn't go out for a walk as usual.這么熱的天氣,他們沒有像往常一樣去散步。

重要提醒：

(1)“such+a(an)+形容詞+名詞+that...”，可以改寫成“so+形容詞+a(an)+名詞+that...”，例句①可以改寫成：She is so good a teacher that we all love her.

(2)在“such+形容詞+名詞復數或不可數名詞+that...”結構中，形容詞如果是many/few或much/little時，用so不用such，即：so+many/few+可數名詞復數+that... ，so+much/little+不可數名詞+that...。如：

①There are so many people in the room that I can't get in.

房間里人太多,我進不去。

②The man has so much money that he can buy a car.

那人很有錢,他能買一輛小汽車。

10. there be...;either... or...;neither... nor...;not only... but also...

如：

①There is a pen and two pencils in his pencil-box. 他的鉛筆盒里有一支鋼筆和兩支鉛筆。

②Not only you but also I want to go travelling. 不但你，我也想去旅游。

③Either you or I am leaving for Shanghai. 要么你去上海，要么我去上海。

④Neither you nor he is right. 你和他都不對。

⑤Both Jack and Tim are English. Jack和Tim都是英國人。

重要提示：

當這幾個句型連接主語時，謂語動詞的人稱和數要遵循“就近原則”。對比both... and...來記憶，both... and...連接主語時視為復數。

11. enough+名詞+to do... 有足夠的……做某事;

形容詞/副詞+enough+to do... 足夠……做某事。如：

①There is enough room to hold these people to have a meeting. 有足夠的地方容下這些人開會。

②The boy is strong enough to carry the heavy box. 這個男孩兒力氣夠大,能搬動這只箱子。

重要提示：

enough作副詞修飾形容詞或副詞時，放在所修飾詞的后面，句子可以用so... that...句型改寫。例句②可以改寫為：The boy is so strong that he can carry the heavy box.

12. enjoy doing sth.喜歡(愛好)做某事;

like to do/like doing sth.喜歡做某事。如：

①Do you enjoy listening to music? 你喜歡聽音樂嗎?

②I like to swim in the swimming pool. 我喜歡在游泳池中游泳。(喜歡到某一具體的地方游泳)

③I like swimming. 我喜歡游泳。(只講喜歡這項運動)

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