used to表示過去常常做某事.
例句:I used to play football after school.過去我常常在放學(xué)后踢球.
be used to do的意思是被用來做某事;be used to doing的意思是習(xí)慣于做某事.
used to 過去常常做某事
be used to 被用來做
used to / be used to （樓上的幾位請(qǐng)注意,be used for才是被用來做什么）
used to + do："過去常常"表示過去習(xí)慣性的動(dòng)作或狀態(tài),但如今已不存在.
Mother used not to be so forgetful.
Scarf used to take a walk.(過去常常散步)
be used to + doing：對(duì)……已感到習(xí)慣,或"習(xí)慣于",to是介詞,后需加名詞或動(dòng)名詞.
He is used to a vegetarian diet.
Scarf is used to taking a walk.(現(xiàn)在習(xí)慣于散步)
used to / be used to
used to + do："過去常常"表示過去習(xí)慣性的動(dòng)作或狀態(tài),但如今已不存在.
Mother used not to be so forgetful.
Scarf used to take a walk.(過去常常散步)
be used to + doing：對(duì)……已感到習(xí)慣,或"習(xí)慣于",to是介詞,后需加名詞或動(dòng)名詞.
He is used to a vegetarian diet.
Scarf is used to taking a walk.(現(xiàn)在習(xí)慣于散步)
典型例題
---- 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.本句雖沒有明確的時(shí)間狀語,但從語意上看 出,在聽的時(shí)候沒有聽懂這個(gè)動(dòng)作發(fā)生在過去,因此應(yīng)用過去時(shí).