介詞in的省略

(1)在in this way, in that way, in the same way, in another way等表達(dá)中的介詞in通常可以省略：

Do it (in) this way.這樣做。

Let me put it (in) another way.讓我用另一種方式解釋。

(2)許多動(dòng)名詞前的介詞in可以省略：

Be careful (in) crossing the street.過街道要小心。

He lost no time (in) answering the question.他馬上就回答了那個(gè)問題。

但若介詞in出現(xiàn)在句首，則通常不宜省略(www.yygrammar.com)：

In crossing the street he was run over.他在穿過馬路時(shí)被汽車撞倒。

在這類用法中要特別注意一些常用句型：

be busy (in) doing sth忙于做某事

be late (in) doing sth做某事做晚了或做遲了

spend money [time] (in) doing sth花錢(時(shí)間)做某事

waste money [time] (in) doing sth浪費(fèi)錢(時(shí)間)做某事

have luck (in) doing sth做某事時(shí)有運(yùn)氣(走運(yùn))

have difficulty (in) doing sth做某事有困難

have trouble (in) doing sth做某事有困難

have bother (in) doing sth做某事費(fèi)勁

have a problem (in) doing sth做某事有困難

have a good time (in) doing sth做某事很開心

have a hard time (in) doing sth做某事很辛苦

find difficulty (in) doing sth做某事發(fā)現(xiàn)有困難

There is no difficulty (in) doing sth做某事沒有困難

There is no use (in) doing sth做某事沒有用

There is no point (in) doing sth做某事沒有意義

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