used to 什么时候做曾经讲,什么时候做常常讲?请举例并说明用法谢谢

如题所述

used to表示过去常常做某事.
例句: I used to play football after school.过去我常常在放学后踢球.
be used to do的意思是被用来做某事;be used to doing的意思是习惯于做某事.

used to 过去常常做某事
be used to 被用来做

used to / be used to (楼上的几位请注意,be used for才是被用来做什么)

used to + do:"过去常常"表示过去习惯性的动作或状态,但如今已不存在。
Mother used not to be so forgetful.
Scarf used to take a walk. (过去常常散步)

be used to + doing: 对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词。
He is used to a vegetarian diet.
Scarf is used to taking a walk.(现在习惯于散步)

used to / be used to

used to + do:"过去常常"表示过去习惯性的动作或状态,但如今已不存在。
Mother used not to be so forgetful.
Scarf used to take a walk. (过去常常散步)

be used to + doing: 对……已感到习惯,或"习惯于",to是介词,后需加名词或动名词。
He is used to a vegetarian diet.
Scarf is used to taking a walk.(现在习惯于散步)

典型例题
---- Your phone number again? I ___ quite catch it.
---- It's 69568442.
A. didn't B. couldn't C. don't D. can't
答案A. 本句虽没有明确的时间状语,但从语意上看 出,在听的时候没有听懂这个动作发生在过去,因此应用过去时。
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第1个回答  2009-05-04
used to do sth:过去常常做某事
i used to have walk out after dinner in the street.
be used to sth/doing sth:习惯于做某事/某事
i am used to gong out for a walk after dinner.