一般过来时2剖析.ppt

* 一般过去时 1.概念：表示在过去某个时间里所发生的动作或存在的状态。(常和明确的过去时间状语连用) 2.标志词： yesterday，yesterday morning/ evening the day before yesterday（前天） last night/week/ month/year just now（刚才） two days ago，a week ago in 1990 eg：I went to bed at eleven last night. 昨晚我11：00睡觉 3.行为动词一般过去时变化规则 ： 一般在动词末尾加-ed pull-pulled, cook-cooked, play- played 结尾是e加d taste-tasted 末尾只有一个元音字母和一个辅音字母的重读闭音节，应双写末尾的辅音字母，再加-ed stop-stopped，plan-planned, prefer-preferred 以“辅音字母+y”结尾的，变y为i，再加-ed study-studied 5.小学阶段不规则动词过去式： am/is→was are→were have/has→had do→did sing→sang sit→sat give→gave run→ran come→came eat→ate take→took write→wrote ride→ rode drive→drove speak→spoke get→got go→went make→made know→knew see→saw teach→taught buy→bought read→read put→put hurt→hurt cut→cut fall→fell say→said 4.句式变化 (1) Be动词在一般过去时中的变化（表状态） ① am ，is过去式为was，was的否定形式 wasn’t= was not ② are过去式为were，were的否定形式 weren’t= were not ③ 带有was或were的句子，其否定、疑问的变化和is, am, are一样，即否定句在was或were后加not，一般疑问句把was或were调到句首。 即： 1.肯定句：主语+ was/ were+ 表语 I was late yesterday. 昨天我迟到了。 2.否定句：主语+ was/ were + not + 表语 We were not late yesterday. 3.一般疑问句： Was/ Were+ 主语 + 表语 Were you ill yesterday? 你昨天病了吗？ 肯定回答：Yes, I was. 是的，我病了。 否定回答：No，I wasn’t. 不，我没病。 4.特殊疑问句： 特殊疑问词+ was/were +主语 +表语 Where were you yesterday? 你昨天在哪里？ (2)行为动词的一般过去时的句子(表动作) 1. I watch TV every day.（一般现在时） I watched TV last night.（一般过去时） 否定句：I didn’t watch TV last night. 一般疑问句：Did you watch TV last night? 肯定回答： Yes， I did. 否定回答： No, I didn’t. 特殊疑问句：What did you do last night?(对上述划线句子提问) 一、写出下列动词的过去式或动词原形。 1. go________ 2. is_____ 3.buy__________ 4.swim_________ 5. have ______ 6. watched ________ 7. ate________ 8. got_