1. make yourself at home 别客气;随便;无拘束
If you get to my house before I do, help yourself to a drink and make
yourself at home.如果你在我之前到我家,自己喝点饮料,随便一点。
2. stay up 不睡;熬夜
(1) I'll be late home, don't stay up for me.
我将回家很晚,不要等我了。
(2) He stayed up reading until 2:00 in the morning.
他熬夜看书直到凌晨两点。
3. come about 引起;发生;产生
(1)How did the accident come about?
这场事故是怎么发生的?
(2) They didn't know how the change had come about.
他们不知道这个变化是怎样产生的。
4. except for 除……之外
(1) except 与 except for 的用法常有区别。except 多用于引起同类事物中被排除的一项。如:
①He answered all the questions except the last one.
除去最后一个,他回答了所有问题。
②We go there every day except Sunday.
除了星期天,我们天天去那里。
(2)except for 用于引述细节以修正句子的主要意思。如:
①Except for one old lady, the bus was empty.
除去一个老太太,这辆公共汽车全空了。
②Your picture is good except for the colours.
你的画儿很好,只是某些色彩有问题。
(3)但在现代英语中,except for也用于表示except的意思。如上述第一个例子可以是:
He answered all the questions except for the last one.
(4) 另外,在介词短语之前只能用except,不能用except for。
We go to bed before ten, except in the summer.
除了夏季,我们通常十点之前_睡觉。
一、不定式做表语
主语是以aim duty hope idea intention plan job suggestion wish purpose task
等为中心词的名词词组 或以 what 引导的名词性从句表示,后面的不定式说明其内容, 不定式作表语常表示将来或现在的动作或状态。
eg :My idea is to climb the mountain from the north.
Your mistake was not to write that letter.
What I would suggest is to start work at once.
二 、动词不定式作宾语
以不定式结构为宾语的动词有:
ask, agree, care, choose, demand, decide, expect, fail, help, hope, learn,
manage, offer, plan, prepare, pretend, promise, refuse, want,
wish等只能用动词不定式作宾语
口诀(接不定式作宾语的动词)
想要学习 早打算( want learn plan)
快准备 有希望( prepare hope wish expect)
同意否 供选择(agree offer choose)
决定了 已答应(decide be determined promise)
尽力去 着手做(manage undertake)
别拒绝 别假装(refuse pretend)
失败不是属于你(fail)
e.g.Tom refused to lend me his pen.
We hope to get there before dark.
The girl decided to do it herself.