2015年第48二校学习中心初四上学期期中考试八大时态总结

1、初中八大时态详解谓语动词形式各时态用法各时态用法各时态用法各时态用法各时态时间状语现在完成时的注意点:1、have been to , have been in 和 have gone to have been to+地点，表示曾经去过某地（现在不在那个地方了）have/has gone to +地点，表示“已经去了某地”（现在还在那个地方或者在路上）2、 already, yet 常和现在完成时连用，already用于肯定句，可放在助动词之后、过去分词之前，也可以放在句末；yet 用在疑问句中意为“已经”，用在否定句中表示“还”，常放在句末3、短暂性动词和持续性动词*常见终止性动词：buy

2、borrow arrive put on marry leave join die come go begin 短暂性动词不能跟表示一段时间的状语连用, 必须转变成持续性动词He has had this book for a year .He has kept the book for 3 days .We have been away from Guangzhou for 6 years .延续性动词和非延续动词的转化现在完成时的句型常见句型主句(现在完成时)+since 从句(一般过去时).It is +一段时间+ since 从句(一般过去时).It is three days sin

3、ce they borrowed that book.It has been three days since they borrowed that book时态问题解题方法1、根据各时态的概念最一般、最常用的方法，要求学生知道各时态都用在什么情况下，解题难度不高，适合简单的题，只要各时态的概念清楚就不容易出错。时态问题解题方法2、时间状语提示法一些特定的时间状语往往标志着一些特定的时态。如:now ,at present 标志着一般现在时或现在进行时； yesterday, last week, a few years ago标志着一般过去时；at that time, at the tim

4、e, this time yesterday标志着过去进行时； tomorrow ,next week, in an hour 标志着一般将来时； this time tomorrow, at five oclock tomorrow afternoon往往标志着一般将来时或将来进行时。除了上述提示时态的时间状语外，有些副词也有这种作用，如：often, always, usually, never, seldom等表示频度的副词往往标志着用一般现在时或现在完成时。时态问题解题方法3、语境推测法有的题中没有明确的时间标志，而是以特定的语言环境暗示出动作发生的时间背景。我们必须句子前后的意思推测

5、和判断出“时间点”。一般说来，这些试题常以对话的形式出现，我们必须要在理解句子意思的基础上去完成。还有一种试题，把几种时态结合在一起进行考查，所以应该灵活使用。时态问题解题方法4、通过语法规则复合句考虑时态呼应；条件状语从句和时间状语从句的主将从现原则（主情从现和主祈从现）。例：Shall we still go fishing tomorrow if you _ able to pass the math exam?No, Im afraid not. Work must come first.A. doesnt B. arent C. wont beB例题1、Look at these s

6、tamps. I them for five years. Wow, they are wonderful. A. kept B. have kept C. have bought2、He for ten years.A. has been married B. married C. got married D. has marriedB A3、We all went to the cinema except you last night. Why didnt you come? Because I that movie twice.A. have watched B. had watched

7、C. was watching D. would watch4、It will be hard for us to get up in the morning if we _to bed too lateAgo B. went C. will go D. have gone【答案】A BA5、Have you ever been to Shanghai, Mary?Yes. I _ there for three days with my parents last month.A. have gone B. have beenC. went D. was6、Hello, Sandy. This is Jack. What are you doing?Im wat