请先看 NMET 2001单项填空的第33题:I was really anxious about you. You home without a word.A. mustn't leave B. shouldn't have leftC. couldn't have left D. needn't leav...请先看 NMET 2001单项填空的第33题:I was really anxious about you. You home without a word.A. mustn't leave B. shouldn't have leftC. couldn't have left D. needn't leave 分析:本题考查“情态动词+不定式完成式”的用法。“shouldn’t have done”的意思是“本来不该做某事”而实际上已经做了。题干的意思是:“你不该连个招呼也不打就离家走了,我真地为你担心。”答案是B。展开更多
一要注意被动语态的不同时态被动语态由“be+过去分词”构成,其中的助动词be根据情况可使用各种不同时态。如: She is respected by everyone.她受到大家的尊重。(一般现在时) The book will be reprinted soon.这本书很快会重印。(...一要注意被动语态的不同时态被动语态由“be+过去分词”构成,其中的助动词be根据情况可使用各种不同时态。如: She is respected by everyone.她受到大家的尊重。(一般现在时) The book will be reprinted soon.这本书很快会重印。(一般将来时) The road is being repaired.路正在修整。(现在进行时) They have been given a warning.他们受到警告。(现在完成时)展开更多
文摘请先看 NMET 2001单项填空的第33题:I was really anxious about you. You home without a word.A. mustn't leave B. shouldn't have leftC. couldn't have left D. needn't leave 分析:本题考查“情态动词+不定式完成式”的用法。“shouldn’t have done”的意思是“本来不该做某事”而实际上已经做了。题干的意思是:“你不该连个招呼也不打就离家走了,我真地为你担心。”答案是B。
文摘一要注意被动语态的不同时态被动语态由“be+过去分词”构成,其中的助动词be根据情况可使用各种不同时态。如: She is respected by everyone.她受到大家的尊重。(一般现在时) The book will be reprinted soon.这本书很快会重印。(一般将来时) The road is being repaired.路正在修整。(现在进行时) They have been given a warning.他们受到警告。(现在完成时)