1. It's+adj.+for sb.+to do sth. 对某人来说做某事怎么样
,
如:
It is dangerous for children to play in the street. 孩子们在街上玩是很危险的。
2. It's time for sth. 是干某事的时间了;
It's time(for sb.)to do sth.该干某事了。如:
①It's time for the meeting. 该开会了。
②It's time for us to go to school. 我们该上学了。
3. It takes sb. some time to do sth.
做某事花某人一些时间。
sb. spend some time/money on sth./(in)doing sth. 某人花时间(金钱)在某事上/花时间(金钱)干某事。
sth. cost sb. some money 某事花某人一些钱。
pay some money for sth.为某事(物)付钱。如:
① It took me two hours to write the letter. 写这封信花了我两小时的时间。
② He spends half an hour(in)reading English every morning.他每天早上花半小时读英语。
③ He spends one hour on the housework every day. 他每天花一小时做家务。
④ The bike cost me 500 yuan. 这辆自行车花了我500元。
⑤ I spent 500 yuan on the bike. 我买这辆自行车花了500元。
⑥ I paid 500 yuan for the bike. 我花了500元买这辆自行车。
重要提示:
cost主语一般为物;spend, pay主语一般为人。例 ① 中it用作形式主语,动词不定式为真正主语。
4. too+形容词/副词+to do... 太……以致不能…… 如:
① I was too excited to say a word.
我激动得一个字也说不出来。
② Tom is too short to reach the apple.
Tom太矮了,拿不到那个苹果。
重要提示:
这是一个否定句型,不能在不定式前加not,可以用so... that...结构改写。例句 ① 可以改写成: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. 为了能通过考试,他们学习很努力。
② They started early so that they caught the early bus. 他们起得很早,结果赶上了早班车。
重要提示:
在例句①中,是引导目的状语;在例句②中,是引导结果状语。一般来讲,若从句中含有情态动词,则so that引导的为目的状语。若无情态动词,则so that引导的为结果状语。
6. 祈使句+then/or/and+陈述句 如:
①Work hard,and/then/and then you will live a happy life. 努力工作,你就会过上幸福的生活。
②Hurry up,or we will be late for school. 快点,否则我们上学就迟到了。
注意:以上句型都可以用条件状语从句来改写。例句②可以改写成:
12个初中英语超高频考点