考点突击|一次厘清初中英语重点词汇辨析74
兵临城下啊
2024-07-20 01:37:31
📝辨析:since & for(完成时间状语)
【since】
❗️单词意思及用法:自从;自…以后,从…以来;跟具体的时间点,常见的有“since + 过去的时间点”“since + 从句(从句用一般过去时)”。
🍊例句:
She has known him since last year. (她从去年就认识他了。)
She has been ill since she came back from the trip.(她旅行回来就病了。)
【for】
❗️单词意思及用法:后跟时间段,表示持续的时间长度。
🍊例句:
He has been waiting for two hours. (他已经等了两个小时。)
I have lived here for five years.(我在这儿住了五年了。)
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