【編者按】2012屆的高三學生已經邁入的緊張的復習之中，為了幫助廣大的考生同學們更好的復習英語，特別整理了英語難點句型。供廣大考生參考復習!

in time 及時

in total 總計;一共

increase by 增加

insist (that) sb. (should) do 堅持要某人做某事(虛擬語氣)

insist on doing/sth. 堅持……

insist that… 堅持說、堅持主張

intend for 為……準備

intend to do 打算去做

invite sb. to sp. 邀請……到……

It appears/appeared (to sb.) that… 對某人來說好像……

It is (high) time (that) sb. did/should do 是該做……的時候了(虛擬語氣)

It is A not B… 是A不是B(謂語動詞與A一致)

It is a pleasure to do… 很高興做某事

It is believed that… 人們相信……

It is better to do…than to do… (后者)比(前者)好

It is certain that… ……是確定無疑的

It is hoped that… 人們希望……

It is important that… ……重要

It is known that… 人們知道……

It is likely that… ……有可能……(可能性一般)

It is necessary that… ……有必要

It is no use/good doing… 做……沒有用

It is no wonder that… ……毫無疑問。/……是確定無疑的。

It is not any use/good doing… 做……沒有用

It is one's turn to do sth. 輪到某人做……

It is polite/impolite to do… ……(不)禮貌。

It is possible that… ……有可能……(可能性最小)

It is probable that… ……有可能……(可能性最大)

It is reported that… 據報道……

It is said that… 人們說……

It is suggested that… 人們建議……

It is tempting to conclude that… 我們可以推出結論……

It is thought that… 人們認為……

It is up to sb.(to do) 由某人來決定

It is useless doing… 做……沒有用

It is/was+被強調部分+連詞+從句 (強調句型)

It is+adj.+of sb. =sb. is adj. 某人怎么樣

It is+n.+for sb. to do sth. = To do sth. is n. for sb. 做某事對某人是……

It makes no difference. 沒有什么區(qū)別。

It occurred to sb. that… 某人忽然意識到……

It seems that… 看起來……

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