21.Unit 6 Ancient stories 语法.docVIP

21. Unit 6 Ancient stories Grammar Date:_______ name:_______ 【知识要点】 ’t seen you for a long time. 注意：瞬间动词不能和“for+一段时间”连用，但瞬间动词的否定式可与“for +一段时间”连用，说明某个动作不发生的状态持续一段时间。 2. since +时间点 注意：这个“时间点”可以是过去某个时间点的名词，名词短语构成的时间状语或一般过去时的时间状语从句。 eg: I have learned to play basketball since last month. 注意：瞬间动词不能和“since+过去的时间点”连用，但瞬间动词的否定式与 “since+过去的时间点”连用，表示某个动作不发生的状态已经持续了一段时间。 eg: The man hasnt gone to his hometown since last year. 二、现在完成时和一般过去式的区别: 时态 现在完成时 一般过去式 定义 现在完成时用来表示动作或状态发生在过去，但它的影响现在还存在，强调的是对现在造成的影响或结果 一般过去时只是陈述过去的事实，不考虑与现在的关系。 时间 状语 for, since, ever, never, yet, before, recently, already... yesterday, last week, last year, one year ago, in 1990, just now… 动词 现在完成时的谓语动词一般是延续性动词，如: stay，live，be，teach，work，study，如果谓语是瞬间动词，则用其否定式。 一般过去时既可和瞬间动词连用，如: come, go, begin, start, finish, become, 也可和延续性动词连用，如：keep, have, know。 【随堂练习】 They have known each other _________ five years. 2. His father has worked here _________ 1978. 3. My parents have been in Beijing _________ ten years. 4. Zhao Juan has already studied in this school _________ two years. 5. My parents have been in Beijing _________ ten years. 6. Jim has been in Shenzhen _________ September 25, 2013. 7. Mike has been ill ________ a long time. He has been in hospital _______ October. 8. The bus is late. We have waited _________ 20 minutes. 二、根据要求完成下列各题。 1. He has taught us English for two years. (一般过去时) _____________________________________________________ 2. The man went to America. (现在完成时) _____________________________________________________ 3. I came here five years ago. (现在完成时) _____________________________________________________ 三、单选题。 1. They have been married __________ 4 years. A. for B. in C. on D. at 2. ---- Would you like to go to climb Mountain Tai this weekend? ---- Sorry. I __________ it twice. A. visited B. am visiting C. visit D. have visited 3. ---- Do you know Mr Yang well? ---- Sure. We__________ friends since ten years ago. A. were B.