2012年广东卷英语答案
2.be about to do …when3.be on the point of doing …when正要做…这时突然I was walking along the street when suddenly someone patted me on the shoulder from behind.我正在街上走着，这时忽然有人从后面拍我的肩膀。
7.while当…时候,在…期间尽管，虽然Mommy, you don't need to stay while we talk. 妈妈,我们谈话时你不必陪着.While I like the book very much,I won’t buy it.尽管我非常喜欢这本书，但是我不会买它。
注意：while引导的动作必须是持续性的8.as一边…一边He hurried home, looking behind as he went.他赶快回家，不时地一边走一边向后看。
9.before在…之前Be a pupil before you become a teacher.先做学生，再做先生。
还未…就…不到…就…….才…还没来得急…就We had walked for 100 miles before we found a village.我们走了100英里才发现一个村庄。
He had run away before I could stop him.我还来不及拦下他，他就跑了。
10.It （will） be时间段before…多久之后才/就…It will be 60 days before we graduate from high school.11.It won’t be long before不久以后就…It won’t be long before we meet again不久以后我们又会见面。
12.after在…之后He arrived after the game started.比赛开始后，他到了。
13.till直到…为止We waited till (until)he came back .我们一直等到他回来。
14.until直到…为止Until he had passed out of sight, she stood there.她站在那里看着，直到看不见他的身影。
15.not…until…直到…才…She didn’t stop working until eleven o’clock .她到11点钟才停止工作。
注意：It is/has been+时间段+since+主语+didIt was +时间段+since+主语+had done18.as soon as一…就As soon as I arrive in Shanghai, I’ll write to you.我一到上海就给你写信。
19.hardly/scarcel>。