Page 25 - 高中英语小题狂做·选择性必修第三册·RJ
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核心笔记 5
It took me more than an hour to do my homework yesterday evening.
It will take us a long time to walk there.
(3) It+be+adj.+for sb to do
在此句型中,常用表示客观情况的形容词,如 difficult、easy、hard、important、impossible、necessary 等。
It is difficult for us to finish writing the composition in a quarter of an hour.
It is impossible to learn a foreign language without making painstaking efforts.
(4) It+be+adj.+of sb to do
在此句型中,常用 careless、clever、good、foolish、honest、kind、lazy、nice、right、silly、stupid、wise 等表示人的品格、性
格的形容词。 动词不定式前的 sb 可看作其逻辑主语。 这一句式有时相当于“sb+be+adj. +to do”句式。
It s kind of you to help me with my English. = You are kind to help me with my English.
(5) It seems/ appears+adj.+to do
It seemed impossible to save money.
3. 如果表语为动词不定式,主语也要用动词不定式。 这在英语中称为对称性。
To see is to believe.
4. 动词不定式可与特殊疑问词 when、where、how、what、which、who、whether 等组合,构成不定式短语,在句中
可作主语。
How to solve the problem is a hot potato.
Where to put the box seems hard to decide.
Whether to do it hasn t been decided.
What to do next is up to you.
【自测 1】 单项选择
(1) It is very hard the work in ten minutes.
A. for finishing B. finished C. finishing D. to finish
(2) a better me is my goal.
A. Be B. To be C. Having been D. Am
(3) It is very difficult for me such a naughty boy.
A. teaching B. to teach C. taught D. teaches
(4) there by bike will take us one and a half hours.
A. To get B. Gets C. Got D. Have got
(5) It is very important for us English well.
A. learn B. learning C. to learn D. learned
(6) Once the damage is done, it will take many years for the farmland .
A. recover B. to recover C. recovered D. recovering
(7) It is difficult for a foreigner Chinese.
A. write B. to write C. to be written D. written
(8) It s stupid you write down everything the teacher says.
A. for; to B. of; to C. for; for D. of; for
(9) It takes me half an hour to work every day.
A. to walk B. walking C. walked D. walk
(10) the Great Wall is Mr Smith s dream of this year.
A. To visit B. Visit
C. Visited D. Visiting
(11) I don t think it is advisable in your coming university.
A. your studying maths B. you study maths
C. for you to study maths D. of you to study maths
