1、 单元语法聚焦十单元语法聚焦十 语法点击语法点击 现在完成时现在完成时( (三三) ) 现在完成时通常和表示一段时间的时间状语连用现在完成时通常和表示一段时间的时间状语连用。这样的时间这样的时间 状语有状语有“forfor时间段时间段”， “sincesince过去的时间点过去的时间点” 或或howhow longlong等等 疑问词疑问词。如：如： MyMy uncleuncle hashas workedworked atat thisthis factoryfactory forfor fivefive yearsyears. . 我我 叔叔在这家工厂已经工作五年了叔叔在这家工厂已经工作
2、五年了。 MrMr. . BlackBlack hashas livedlived inin ChinaChina sincesince 20022002. . 自自20022002年起布莱克先生就一直住在中国年起布莱克先生就一直住在中国。 注意：注意： 此种用法中的动词必须是延续性动词此种用法中的动词必须是延续性动词( (否定句除外否定句除外) )。 延续性动词和非延续性动词的转换如下：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 非延续性动词非延续性动词 延续性动词延续性动词 buy have borrow keep open be open close be clo
3、sed begin/start be on come be here go be there finish be over die be dead catch a cold have a cold 单元语法聚焦十单元语法聚焦十 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 单元语法聚焦十单元语法聚焦十 实战演练实战演练 ( ( )1. )1. 20132013青岛青岛 The astronaut i
4、s so tired The astronaut is so tired that he _ for eleven hours.that he _ for eleven hours. A Ahas been asleephas been asleep B Bhas fallen asleephas fallen asleep C Chas gone to bedhas gone to bed D Dhas gone to sleephas gone to sleep 解析解析 A A 由由for eleven hoursfor eleven hours可知，句中应用延续性动可知，句中应用延续性
5、动 词，词，B B、C C、D D都是非延续性动词，所以答案为都是非延续性动词，所以答案为A A。 单元语法聚焦十单元语法聚焦十 ( ( )2. Tom _ since his mother came in.)2. Tom _ since his mother came in. A Ahas woken up Bhas woken up Bhas been awakehas been awake C Cwoke up Dwoke up Dwas awakewas awake 解析解析 B B 此句应用现在完成时，此句应用现在完成时，wake up wake up 为非延续性动为非延续性动 词，
6、在表示延续性的句子中使用词，在表示延续性的句子中使用be awakebe awake。 单元语法聚焦十单元语法聚焦十 ( ( )3. We _ Beijing for only one day.)3. We _ Beijing for only one day. A Aarrived in Barrived in Breachedreached C Chave been in Dhave been in Dhave arrived inhave arrived in 解析解析 C C arrivearrive与与reachreach均为非延续性动词，在表示延续均为非延续性动词，在表示延续 性的
7、句子中要使用性的句子中要使用bebe，故选，故选C C。 ( ( )4.)4.Why is your English so good?Why is your English so good? Because I _ America for five years.Because I _ America for five years. A Ahave gone to Bhave gone to Bhave been inhave been in C Chave come to Dhave come to Dhave been tohave been to 答案答案 B B 单元语法聚焦十单元语法聚
8、焦十 ( ( )5.)5.Youre late. The meeting_for Youre late. The meeting_for about ten minutes.about ten minutes. Im sorry. The traffic is heavy.Im sorry. The traffic is heavy. A Ahas begun Bhas begun Bbeganbegan C Chas been on Dhas been on Dbeginsbegins 答案答案 C C 单元语法聚焦十单元语法聚焦十 ( ( )6.)6.Do you know Jack we
9、ll?Do you know Jack well? Certainly. We_friends since ten years Certainly. We_friends since ten years ago.ago. A Awere Bwere Bhave madehave made C Chave become Dhave become Dhave beenhave been 答案答案 D D 单元语法聚焦十单元语法聚焦十 ( ( )7.He _ his home for ten years.)7.He _ his home for ten years. A Ahas lefthas l
10、eft B Bleft fromleft from C Chas been away fromhas been away from D Dwas away fromwas away from 答案答案 C C 单元语法聚焦十单元语法聚焦十 ( ( )8.Li Huas brother has _ for two )8.Li Huas brother has _ for two years.years. A Ajoined the army Bjoined the army Bbecome a soldierbecome a soldier C Cbeen an army Dbeen an army Dbeen in the armybeen in the army 答案答案 D D
