初中英语时态讲解

初中英语时态讲解,标签：英语文集大全,http://www.5ijcw.com

 -----He wasn’t busy.

 -----Was he busy?

 -----Yes, he was./ No, he wasn’t.

b)----He smoked last year.

 -----He didn’t smoke last year.

 -----Did he smoke last year?

 -----Yes ,he did ./No ,he didn’t.

c)----He joined the army in 1990.

 -----He didn’t joined the army in 1990.

   -----Did he join the army in 1990?

   -----Yes ,he did ./No ,he didn’t.

4）动词过去式变化规则。

 a)一般情况下的词加-ed.

  work---worked      call----called      laugh----laughed  

  Explain----explained      finish----finished      knock----knocked

 b)以不发音的字母e结尾的单词直接加-d .

  live----lived      change----changed      smoke----smoked      die----died

  graduate----graduated      drive----drove

 c)以“辅音字母＋y”结尾的单词，变y为i加-ed.

  study----studied    carry----carried    cry----cried   

try----tried        marry----married

 d)以“元音字母＋y”结尾的单词直接加-ed.

  play----played    stay----stayed

 e)以“一个元音字母＋一个辅音字母”结尾的单词应先双写这个辅音字母然后再加-ed.

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  stop----stopped     plan----planned      pat----patted

 f)动词不规则变化：

  do----did        go----went       come----came   run----ran      write----wrote

  begin----began    drink----drank    keep----kept    leave----left    sleep----slept

  make----made     lie----lay       dig----dug      eat----ate       know----knew   

cut----cut         set----set       let----let        read----read    hurt----hurt

例句：我前天拿走了这本书。

      去年我买了一辆自行车。

      每天晚上我听音乐。

      她通常待在家里。

      两天前我完成了这项工作。

复习：

1) I           (be) a teacher 2 years ago.

2) He           (be) a student now.

3) He           (do) his homework at home every day.

4) They           (join) the Party in 1998.

5) We               (not eat) apples yesterday.

6) We               (not play) basketball every day.

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