英語完成時的用法[下學(xué)期]新目標(biāo)(更新版)
【正文】 finish – begin— leave—be away fall sleep – be asleep close – be closed be+介詞短語 go to school– be in school join the army – be in the army . We have had the book for three years. . He has had a cold for three days. We bought the book three years ago. He caught a cold three days ago. 一般過去時態(tài)和現(xiàn)在完成時態(tài)可以構(gòu)成同意句 be dead be over be on I have kept the book since last week. . I have been a student for over two years. I borrowed the book last week. I became a student two years ago. Black死了三年了。 Xiao Ming has been a soldier for half a year. Xiao Ming joined the army half a year ago. 8年學(xué)了。 請大家認(rèn)真分析比較下列各例句： ? I saw this film yesterday. ? （強調(diào)看的動作發(fā)生過了。 試比較： He has been to Beijing. 他曾去過北京。通常與表示包括現(xiàn)在在內(nèi)的時間副詞 just， already, before, yet, never, ever 等狀語連用。 ，持續(xù)到現(xiàn)在 ,也許還會持續(xù)下去的動作或狀態(tài)。 一般過去時與現(xiàn)在完成時之比較 ? 1）過去時表示過去某時發(fā)生的動作或單純敘述過去的事情，強調(diào)動作；現(xiàn)在完成時為過去發(fā)生的，強調(diào)過去的事情對現(xiàn)在的影響，強調(diào)的是影響。） ? She returned yesterday. ? （她是昨天回來了
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