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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,*,*,单元语法聚焦十,1,单元语法聚焦十,语法点击,现在完成时(三),现在完成时通常和表示一段时间的时间状语连用。这样的时间状语有“for时间段”,“since过去的时间点”或how long等疑问词。如：,My uncle has worked at this factory for five years.我叔叔在这家工厂已经工作五年了。,Mr.Black has lived in China since 2002.,自2002年起布莱克先生就一直住在中国。,注意：此种用法中的动词必须是延续性动词(否定句除外)。,延续性动词和非延续性动词的转换如下：,2,单元语法聚焦十,非延续性动词,延续性动词,buy,have,borrow,keep,open,be open,close,be closed,begin/start,be on,come,be here,go,be there,finish,be over,die,be dead,catch a cold,have a cold,3,单元语法聚焦十,put on,wear,get up,be up,wake up,be awake,fall asleep,be asleep,lose,not have,join,be in,leave,be away,arrive/reach,be in,4,单元语法聚焦十,实战演练,()1.,2013青岛,The astronaut is so tired that he _ for eleven hours.,Ahas been asleep,Bhas fallen asleep,Chas gone to bed,Dhas gone to sleep,解析 A由for eleven hours可知,句中应用延续性动词,B、C、D都是非延续性动词,所以参考答案为A。,5,单元语法聚焦十,()2.Tom _ since his mother came in.,Ahas woken up Bhas been awake,Cwoke up Dwas awake,解析 B此句应用现在完成时,wake up 为非延续性动词,在表示延续性的句子中使用be awake。,6,单元语法聚焦十,()3.We _ Beijing for only one day.,Aarrived in Breached,Chave been in Dhave arrived in,解析 Carrive与reach均为非延续性动词,在表示延续性的句子中要使用be,故选C。,()4.Why is your English so good?,Because I _ America for five years.,Ahave gone to Bhave been in,Chave come to Dhave been to,参考答案 B,7,单元语法聚焦十,()5.Youre late.The meeting_for about ten minutes.,Im sorry.The traffic is heavy.,Ahas begun Bbegan,Chas been on Dbegins,参考答案 C,8,单元语法聚焦十,()6.Do you know Jack well?,Certainly.We_friends since ten years ago.,Awere Bhave made,Chave become Dhave been,参考答案 D,9,单元语法聚焦十,()7.He _ his home for ten years.,Ahas left,Bleft from,Chas been away from,Dwas away from,参考答案 C,10,单元语法聚焦十,()8.Li Huas brother has _ for two years.,Ajoined the army Bbecome a soldier,Cbeen an army Dbeen in the army,参考答案 D,11,
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