题目内容
5.Since he fell off the bike,Johnhas lain(lie) in bed for nearly a week.分析 自从约翰从车上摔下来,他已经躺床上几乎一周了.
解答 答案:has lain.句中since和 for nearly a week得知应用现在完成时,强调躺在床上已经将近一周了,指状态的持续,应用现在完成时,现在完成时的构成是have/has+过去分词,lie表示躺的过去分词是lain,主语是John为第三人称单数,故用has lain.
点评 这种题型是比较灵活的词类转换形式.它不仅考查学生对单词变换形式的掌握程度,更主要是考查学生对句子成份划分的能力及对各种词类能作什么成份的掌握程度.
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