1.中文：我習(xí)慣于早起。

(誤)I am used to get up early.

(正)I am used to getting up early.(get，become或be used to中的to是介詞，后接動(dòng)名詞。)

2.中文：他過(guò)去常常在星期天來(lái)約我。

(誤)He used to calling on me on Sundays.

(正)He used to call on me on Sundays.(used to+原形動(dòng)詞，表示過(guò)去常常。)

3.中文：A：我必須去嗎?B：不，你不必了。

(誤)A： Must I go? B： No， you mustn’t.

(正)A： Must I go? B： No， you needn’t.(mustn’t表示不許，needn’t表示不必，以MUST開(kāi)始的一般疑問(wèn)句，否定回答用needn’t.)

4.中文：我今天下午想和你一起去游泳。

(誤)I will like to go swimming with you this afternoon.

(正)I would like to go swimming with you this afternoon.(would like是習(xí)慣搭配，后接不定式，表示愿意做某事。)

5.中文：他前天可能說(shuō)這些嗎?

(誤)Must he have said so the day before yesterday?(MUST用于推測(cè)時(shí)表示一定，準(zhǔn)是，只用于肯定句。)

(正)Can he have said so the day before yesterday?(CAN用于懷疑，推測(cè)時(shí)表示可能，用于疑問(wèn)句和否定句。)