内容正文:
一般过去时讲解
知识梳理
一、一般过去时的用法
一般过去时表示在过去的某个时间内发生的动作或存在的状态。
标志时间词:yesterday, yesterday+时间, last+时间, ago, before, the day before yesterday, just now等。如:
I went to the supermarket yesterday.
Mr Green was a teacher five years ago.
The students finished their homework just now.
二、动词过去式的变化规则
1. 一般情况下,在动词词尾加-ed。如:work→worked,listen→listened
2. 以不发音的e结尾的动词,在词尾加-d。如:live→lived,close→closed
3. 以辅音字母加y结尾的动词,改y为i,再加-ed。如:cry→cried,study→studied
4. 以重读闭音节结尾,且词尾只有一个辅音字母的动词,双写最后这个辅音字母,再加-ed。如:stop→stopped,drop→dropped
5. 不规则变化(需逐个记忆)。如:am/is→was,are→were,do/does→did,bring→brought,come→came
三、一般过去时的句型结构
1. 肯定句:
(1)主语+was/were+其他。如:
I was at home last night.
(2)主语+动词的过去式+其他。如:
They went to the park last weekend.
2. 否定句:
(1) 主语+was/were+not+其他。如:
Tom wasn't at home yesterday.
(2) 主语+didn't+动词原形+其他。 如:
Ben didn't come to school y