2015-2016学年优质课堂同步-人教版2015-2016学年度八年级英语下册课件-Unit10-单元语法聚焦十

1、单元语法聚焦十,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,单元语法聚焦十,单元语法聚焦十,单元语法聚

2、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，所以答案为A,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

3、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,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

4、been to 答案 B,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 答案 C,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 答案 D,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 答案 C,单元语法聚焦十,8.Li Huas brother has _ for two years. Aj