《牛津英语用法指南》(82.6)就有如下解释:在美国英语中,in在否定句里可以和for一样,表示到现在为止的一段时间。I haven't seen her in years.我有很多年没见她了。
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现在完成时表示动作完成,而且还有可能继续下去。又如:She has toiled away at the violin for years. 她多年来苦练小提琴。He has lived in Wuhan for years. 他在武汉生活了很多年了。▲请看下面这篇文章的第二条:http://www.yygrammar.com/Article/201112/2725.html
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《葛传槼英语惯用法词典》有如下解释:Is that...? Do you...? Can't I...?等的否定式在正式英语里和口语里不同:在正式英语里用Is that not...? Do you not...? Can I not...?或Cannot I ...?等。在口语里,用Isn't it...? Don't you...? Can't I...?等。相当于Am I not...?的口语有Ain't I...? An...
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except可以接介词短语作宾语。关于介词except后能接哪些成分请看链接:http://www.yygrammar.com/Article/200907/1274.html
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whether不是并列连词,而是从属连词,whether...or...常引导名词性从句或让步状语从句。引导名词性从句时,若后面直接紧跟or not时只能用whether;若后面不是直接紧跟or not,则也可以用if(但用whether更常见);当从句简化为不定式时却又只能用whether。例如:I will write to you whether or not I can come. 我会写信告...
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feel用进行时表示暂时性的或某一特定时间段内的感觉。又如:I'm feeling a bit better today, Sister. 护士小姐,我今天感觉好点了。
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费致德《现代英语惯用法词典》对“What if...?”有以下解释:What if...?的意思是:a.“如果......那就会......吗?”(What will (would) happen if ...? What is (would be) the case if ...?)有时用虚拟语气,如:Let people speak up, the sky won't fall and neither will you. What if you don't let people spe...
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网友给的两个句子都有误,第一句in应为on;第二句visit应为have visited。另外,再给网友提个醒,“序数词+time”表示“第几次”,可用介词for,也可省略。Mr. Smith just got married (for) the second time. 史密斯先生刚刚再婚。
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