易错一般过去时用法例析请看下面的题目：“Your phone number again? I _________ quite catch it.” “It’s 4331577”A. didn’t B. couldn’t C. don’t D. can’t【分析】此题容易误选C，认为此处要用一般现在时态，表示现在“没听清对方的话”。其实，此题答案应选A，根据上文的语境“请把你的电话号码再说一遍好吗?”可知“没听清对方的电话号码”应是在说此话以前，故应用一般过去时态。请看以下类似试题：(1) “Mr Smith isn’t coming tonight.” “ But he _________.”A. promises B. promised C. will promise D. had promised答案选B，“他答应(要来)”应发生在过去。(2) “Hey, look where you are going!” “Oh, I’m terribly sorry. _________.”A. I’m not noticing B. I wasn’t noticing C. I haven’t noticed D. I don’t notice答案选B，“我没注意”是对方提醒之前的事，现经对方一提醒，当然注意到了。(3) “Oh it’s you ! I _________ you.” “I’ve had my hair cut.”A. didn’t realize B. haven’t realized C. didn’t recognize D. don’t recognized 答案选C。“没认出是你”是说此话之前的事，说此话时显然已经认出了对方。(4) “What’s her new telephone number?” “Oh, I _________.”A. forget B. forgot C. had forgotten D. am forgetting此题应选A，从语境上看，“忘记”的时间应是现在，即指现在不记得了。(5) “Since you’ve agreed to go, why aren’t you getting ready?” “But I _________ that you would have me start at once.”A. don’t realize B. didn’t realize C. hadn’t realized D. haven’t realized答案选B。“没意识到”是对方提醒之前的事。(6) “It’s twelve o’clock, I think I must be off now.” “Oh, really? I _________ it at all.”A. don’t realize B. haven’t realized C. didn’t realize D. hadn’t realized答案选C。“没意识到”是在听到的话之前的事。

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