1、I’ve just lost my keys.我剛丟了鑰匙。
2、Since when have you planted so many young trees?從什么時(shí)候開(kāi)始你種植了這么多小樹(shù)的?
3、I have read the novel.我看過(guò)這部小說(shuō)了。
4、They have gone out.他們已經(jīng)出去了。
5、I have bad news. I have lost my job.有壞消息,我丟了工作了。
6、This is the first time I have been here.這是我第一次到這兒。
7、They haven’t finished yet.他們還沒(méi)結(jié)束。
8、How many times have you been to Singapore?你去過(guò)新加坡幾次?
9、My momhas never travelled by air.我媽媽旅游從來(lái)沒(méi)有坐過(guò)飛機(jī)。
10、I've been doing my homework.我一直在做作業(yè)。