人教版英语七年级下册第九单元语法知识
语法
1.一般过去时的用法:
一般过去时表示过去发生的动作或存在的状态,常和表示过去的时间状语连用。例如:yesterday, last year, in 1988, two weeks ago等,也表示过去经常反复发生的动作。常和often, always, usually等表示频度的时间状语连用。
2.一般过去时的构成:
1)有be动词:主+be(was, were)+表语。例如:
陈述句:He was at school yesterday.昨天他在上学。
否定句:I wasn't ill yesterday morning.昨天上午我没病。
一般疑问句:Were you in Beijing last week?上周你在北京吗?
No, I wasn't. (Yes, I was.)不,我没在。(是的,我在。)
2)有行为动词:
陈述句:主语+谓语动词+其他。例如:
He played sports two hours ago.
否定句:主语+助动词+动词原形+其他。例如:
He didn't play sports two hours ago.
一般疑问句:Did+主语+动词原形+其他。例如:
Did he play sports two hours ago?
Yes, I did. (No, I didn't)
3)动词过去式的构成:
4)不规则动词过去式需特别记忆,常见的不规则动词有:
go-went have-had do-did get-got
come-came say-said see-saw give-gave
write-wrote read-read put-put
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