高考英语必考句型（二）4、when 句型：(1) was/were doing sth ---- when --- 例：He was still smiling when the door opened and his wife came in.(2) be about to do sth --- when ---=be on the point of doing sth…..when..例：We were about to start when it began to rain.(3) had just done ---- when ---例：I had just gone to bed after a very hard day when the phone rang.5.刚。。。就。。。句型(1) had not done sth --- when ---/ hardly --- when ---例：He had not fallen asleep when the telephone rang.(2)had no sooner done sth.... than I had no sooner got back to the kitchen than the door-bell rang loud enough to wake the dead.6.一．。。就。。。句型 as soon as=the moment/ the minute / the instant / the second/ instantly/ immediately/ directly…. At the sight / thought /sound of….. Jenny will faint at the sight of Blood. On+ doing/ sth. eg: 7、seem 句型：(1) It +seems + that 从句例：It seemed that everyone was satisfied. (2) sb seem to do----例：I seem to have seen him somewhere before.(3) There seems to be ----例：There seems to be a heavy rain. (4) It seems as if ----例：It seemed that she couldn't come to class.8.too 句型：(1) too．．．to do sth．These pillars are too thin to carry the roof.这些柱子太细,支撑不住屋顶。(2) only too --- to do sth例：I shall be only too pleased to get home. 我要回到家里就非常高兴。(3) too + adj + for sth例：These shoes are much too small for me. 我穿这双鞋太小了。(4) too + adj + a + n.例：This is too difficult a text for me. 这篇课文对我来说太难了。(5) can't … too +形容词 无论……也不为过例：We cannot emphasize the importance of protecting our eyes too much.9.before 句型：(1) It will be +时间+ before + 还有多长时间…… 例：It will be 4 years before he graduates. 他还有四年时间变毕业了。(2) It was +一段时间+ before 过了多久就……例：It wasn’t two years before he left the country. 还没到两年他们离开了那国家。(3) before sb can/ could … 某人还没来得及……例：Before I could get in a word ，he had measured me．(4)过了多久才……例：We had walked a long way before we found some water.（5）还有“趁……（还没有）”之意。例如：They are thinking of buying the house before the prices go up. (6) before long 是“很快，不久”的意思, 可以用于各种时态。Before long, he went to America. (7) long before 是“很久以前”的意思Eg: That happened long before. 那件事发生在很久以前。They had known each other long before they got married.
