1、中文：為了準時，我們加快了步伐。

　　(誤)So as to be in time we hurried.

　　(正)In order to be in time we hurried.(so as to只可放在句中，in order to可放在句首或句中。)

　　2、中文：你說這些話真傻。

　　(誤)It's very foolish for you to say so.

　　(正)It's very foolish of you to say so.(表示評價的形容詞被帶邏輯主語的不定式修飾時，介詞要用of.)

　　3、中文：你沒有告訴他們永遠不要做那件事嗎?

　　(誤)Didn't you ask them to never do that?

　　(正)Didn't you ask them never to do that?(never要放在to之前。)

　　4、中文：你沒有告訴他們永遠不要做那件事嗎?

　　(誤)Here is a new book for you to read it.

　　(正)Here is a new book for you to read.(作形容詞用法的帶邏輯主語的不定式for you to read的賓語，實際上就是它所修飾的new book，其后不可再加賓語。)

　　5、中文：他夠年齡，可以上學了。

　　(誤)He is old enough so that he can go to school.

　　(正)He is old enough to go to school.(形容詞+enough+不定式表示足夠…而可。)

　　6、中文：他太好了，寄給我許多書。

　　(誤)He was so good to send me a lot of books.

　　(正)He was so good as to send me a lot of books.(so……as to表示如此…以致。)

　　7、中文：你最好不要在下雨天出去。

　　(誤)You had better not to go out in the rain.

　　(正)You had better not go out in the rain.(had better(not)后接原形不定式。)

　　8、中文：你喜歡聽別人談話嗎?

　　(誤)Do you like listening to others to talk?

　　(正)Do you like listening to others talk?(感官動詞或使役動詞的賓語補語用原形不定式。)