Use的用法把use的几种意思写出来,还有句式,像used to do sth.全一点
- 提问者网友:几叶到寒
- 2021-04-19 04:23
把use的几种意思写出来,还有句式,像used to do sth.全一点
- 五星知识达人网友:像个废品
- 2021-04-19 05:59
use的用法简单归纳如下:
1.used to do sth.意为过去常常做某事,它表示过去经常发生的动作或存在的状态,而现在已不再发生或存在.这个短语含有今昔对比之意,其否定形式常用used not to或didn't use to.反意疑问句中应该用did/didn't或used/usedn't.例如:
I used to swim in this river when I was young.我年轻时常在这条河里游泳.
They used to be good friends,didn't they?他们过去是好朋友,是吗?
2.be used to sth./ doing sth.意为习惯、适应某事/做某事,它表示习惯于某一客观事实或状态,其中to是介词,后面跟名词、代词或动名词;be used可用于多种时态;如强调动作可用get或become替换be.例如:
Old people are used to getting up early in the morning.老年人习惯早晨很早起床.
I wasn't used to city life,but now I have got used to living in this city.我以前不习惯都市生活,但现在我已习惯住在这座城市了.
3.be used to do sth.意为被用来做某事,其中use表使用之意,是被动语态形式,to是动词不定式符号.例如:
Wood can be used to make paper.树木可以用来造纸.
4.be used for...意为被当做……,其中use表使用之意,是被动语态形式.例如:
The seal's fur can be used for coats.海豹皮可当做大衣用.
5.be of use意为有用的,其中use是名词,可用形容词来修饰.例如:
The dictionary is of great use to the students.这本字典对学生们很有用.
6.be in use意为在使用,其中use也是名词.例如:
The laboratory is in use until three o'clock.实验室一直到3点钟都有人使用.
7.make use of sth.意为利用、使用某物,其中use也是名词,可用good,full,more,little等形容词来修饰.同学们应特别注意它的被动形式.例如:
We must make full use of time to study.我们必须充分利用时间去学习.