八、used to
1.肯定式
I used to like pop music.我过去喜欢流行音乐。(现在已经不喜欢了)
We used to spend our vacations in the mountains.
我们从前在山区度假。(暗示现在已经不在山上度假了)
2.否定式
I used not to like pop music.我过去不喜欢流行音乐。
I usedn’t to like pop music.
I didn’t use to like pop music.
3.疑问式
Used you to like pop music? 你过去喜欢流行音乐吗?
Did you use to like pop music?
You used to go there,usedn’t you? 你过去常到那儿去,是吗?
you used to go There,didn’t you?
4.used to与would的区别
(1)used to 与would表示过去习惯性的动作时,可互换。
When we were children we would/used to go skating every winter.
我们小时候,每年冬天都去溜冰。
He would/used to sit there for hours sometimes doing nothing at all.
有时他在那里一坐几个钟头,什么也不做。
(2)若要强调过去与现在的对比时用used to。
I don’t smoke these days,but I used to.我现在不抽烟,但我以前是抽的。
I used to drive to work but now I cycle.过去我常开车上班,但我现在骑自行车。
【比较】
①People used to believe that the earth was flat.
过去,人们以为地球是扁平的。(现在已不再这样认为)
②He would go to the park as soon as he was free.
过去,他一有空就去公园。(现在有可能还去)
5.used to do,be used to 与be used to do的区别
(1)used to do 表示“过去常常”,现在已经不那样了。
He used to be a teacher in our school.他曾经是我们学校的一位老师。
There used to be an old temple near the village.过去村子的附近有一座古庙。
(2)be used to (doing)sth.表示“习惯于做某事”。
He is used to hard work.他习惯于艰苦工作。
He is used to living in the country.他已习惯于住在乡下。
I’ve got used to being a vegetarian.我已经习惯吃素食。
【提示】 be used to中be可用get,become替换,其中to是介词,后接名词、代词或动名词。
(3)be used to do表示“被用于做某事”。
Bamboo can be used to make a lot of things.竹子能被用来制成很多东西。
A hammer is used to drive in nails.锤子是用来钉钉子的。