一、be used for +名詞或動(dòng)詞-ing,意為“用于”、“被用來(lái)供……”,介詞for表示“用途”。例如:
A stamp is used for sending letters.郵票用來(lái)寄信。
A brush pen is used for writing.毛筆用來(lái)寫(xiě)字。
二、be used as +名詞,意為“被用來(lái)當(dāng)作……”,介詞as表示“作為”。例如:
This room is used as their office.這個(gè)房間被用作他們的辦公室。
But it is also used very widely as a foreign lan- guage in many other countries of the world.但在世界上許多其他國(guó)家里它(英語(yǔ))也作為一種外語(yǔ)被廣泛使用。
三、be used to +動(dòng)詞原形,意為“被用來(lái)……”。其中used為use的過(guò)去分詞。例如:
The knife can be used to cut meat.刀能用來(lái)切肉。
四、used to +動(dòng)詞原形,意為“過(guò)去常?!?。例如:
He used to go to church on Sundays.他以前每個(gè)星期天都去教堂。
She used to get up early.她過(guò)去習(xí)慣早起。
五、be /get used to +名詞或動(dòng)詞-ing,意為“習(xí)慣于……”。其中used是形容詞,to為介詞,其后接名詞或動(dòng)詞-ing。例如:
I'm not quite used to the weather here yet.我還不太習(xí)慣這兒的天氣。
She isn'tused to staying up late.她不習(xí)慣熬夜。
He has got used to living in the city.他已習(xí)慣于住在城市里了。