目 区
别 例
句
一般过去时现在完成时的比较现在完成时强调过去动作对现在产生的影响或结果We haven’t heard from Jane for a long time. What do you suppose _______ to her?
A. was happening
B. happens
C. has happened
D. happened
说明:说话者强调Jane 目前的状况.
Mr. Lee, who ________ as a carpenter for over 10 years, is now a very famous statesman in this country.
A. has worked B. had worked
C. worked
D. works (只说明他过去当过木匠不涉及到现在)
一般过去时只表达过去的动作或状态Hello, I ____ you were in London. How long _________ here?
A. don’t know; were you
B. hadn’t known; are you
C. haven’t known; are
D. didn’t know; have you been
说明:didn’t know 强调见面前不知道I read the novel last month. (只说明上个月看了,不涉及现在是否记住)
现在完成时与现在完成进行时的比较I have read that book.我读过那本书了。(知道那本书的内容)
着重表示动作一直在进行,即动作的延续性时,则用现在完成进行时 —Hi, Tracy, you look tired.
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