use的用法詳解
use的用法詳解
use的用法簡(jiǎn)單歸納如下:
1. be used to sth. / doing sth.意為"習(xí)慣、適應(yīng)某事/做某事",它表示習(xí)慣于某一客觀事實(shí)或狀態(tài),其中to是介詞,后面跟名詞、代詞或動(dòng)名詞;be used可用于多種時(shí)態(tài);如強(qiáng)調(diào)動(dòng)作可用get或become替換be。例如:
Old people are used to getting up early in the morning.老年人習(xí)慣早晨很早起床。
I wasn't used to city life, but now I have got used to living in this city.我以前不習(xí)慣都市生活,但現(xiàn)在我已習(xí)慣住在這座城市了。
2. used to do sth.意為"過去常常做某事",它表示過去經(jīng)常發(fā)生的動(dòng)作或存在的狀態(tài),而現(xiàn)在已不再發(fā)生或存在。這個(gè)短語含有今昔對(duì)比之意,其否定形式常用used not to或didn't use to。反意疑問句中應(yīng)該用did/didn't或used/usedn't。例如:
They used to be good friends, didn't they?他們過去是好朋友,是嗎?
I used to swim in this river when I was young.我年輕時(shí)常在這條河里游泳。
3. be used to do sth.意為"被用來做某事",其中use表"使用"之意,是被動(dòng)語態(tài)形式,to是動(dòng)詞不定式符號(hào)。例如:
Wood can be used to make paper.樹木可以用來造紙。
4. be used for...意為"被當(dāng)做……",其中use表"使用"之意,是被動(dòng)語態(tài)形式。例如:
The seal's fur can be used for coats.海豹皮可當(dāng)做大衣用。
5. be of use意為"有用的",其中use是名詞,可用形容詞來修飾。例如:
The dictionary is of great use to the students.這本字典對(duì)學(xué)生們很有用。
6. be in use意為"在使用",其中use也是名詞。例如:
The laboratory is in use until three o'clock.實(shí)驗(yàn)室一直到3點(diǎn)鐘都有人使用。
7. make use of sth.意為"利用、使用某物",其中use也是名詞,可用good, full, more, little等形容詞來修飾。同學(xué)們應(yīng)特別注意它的被動(dòng)形式。例如:
We must make full use of time to study.我們必須充