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[误] I met an old friend sometimes last month.
[正] I met an old friend sometime last month.
[析] Sometime 过去,或者将来某时。Sometimes 有时
如: Sometimes I go to school by bus.Some time 一些时间
如: I need sometime to do my homework. Some times 几次
如: I went to Shanghai sometimes this month.
at times 有时,偶尔
at all times 经常
some other time 改天
[误] I had met an old friend three days ago.
[正] I had met an old friend three days before.
[正] I met an old friend three days ago.
* ago 用在时间状语中时,主句中谓语动词一般用过去时,而before用于时间状语时则主句的谓语动词宜用完成时态。
[误] He studied very hard. and at the end he passed the exam.
[正] He studied very hard, and in the end he passed the exam.
[析] in the end=at last 意为"最终,终于",表达经过若干努力而达到的结果。而at the end是在某事的结束时如何如何,如:At the end of class, the teacher gave us some story books。 [误] I will come here to help you each three days.
[正] I will come here to help you every three days.
[析] every three days 为"每三天",即每隔二天,而every other day为每隔一天。 [误] He didn't go to the cinema yesterday. and I didn't go, too.
[正] He didn't go to the cinema yesterday and I didn't go either.
[析] 英语中表示"也",有4个字,also, as well, too, either,但either用于否定句中,而前3个用于肯定句中。在肯定句中too与as well一般要用在句尾,而also则可用于句中。如:She went to the party and her boy friend went there too. 又如: I've also read her other novels. [误] We should help the poor girl in anyway.
[正] We should help the poor girl in any way.
[析] anyway为"不管怎么"讲,"无论如何",如:What a terrible accident, anyway no one was