use的用法小结
1. used to do "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 。
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 "****惯、适应某事/做某事",它表示****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;e替换be。例如:
Old people are used to getting up early in the 。
I wasn't used to city life, but now I have got used to living in this ,但现在我已****惯住在这座城市了。
3. be used to do "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 。、
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 。
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 。
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'。
7. make use of "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 。
8. use与for或as连用,构成短语use...for,意为用来做......;为了......而使用, use... as ...... 为作为......使用;用作......之意。
Bamboo can be used for carrying water. 竹子可以用来运水。
Modern cellphones are more than just phones-they are being used as cameras and radios, and to send e-mail or surf the . 现代手机不仅仅是电话,它们也当
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