start---be on finish----be over open----be open die----be dead buy---have borrow---keep fall ill---be e back---be back Рput on ---be on/wear worry---be worried catch a cold---have a cold join---be inРe.g. The class has been on for ten minutes.Р I have kept this book for 15 days. Р过去完成时Р助动词Рhad + p.pР(过去分词)Рby+过去的时间,如:by last week, by the end of last year等Р表“过去某动作或时间以前”的时间状语。Р动作发生在过去的过去,“过去的过去”。Р Р陈述句:He said he had told Davy.РThey told us they had finished the work.РHe left the office after he had called Davy.Р否定句:РShe hadn’t had dinner before she went out. Р一般疑问句:РHad she learnt English before she moved here?Р特殊疑问句:How many English words had he learnt by the end of last year?Р根据上下文(语境)来判断使用过去完成时,如:РI met Wang Tao in the street yesterday. We hadn't seen each other since he went to Beijing.
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