一般过去时知识点及练习Ⅰ 一般过去时的小学阶段的基础知识1、关键词: just now,a moment ago,ago, yesterday ,last ,yesterday morning, the day before yesterday ,in the past, in 过去的年份或月份,once upon a time 等
具有 be 动词的一般过去时a
定义:表达过去某时间存在的状态或特征b
be 动词过去式:am , is-—- was are—---werec
具有 be 动词的一般过去时的基本句式:1.肯定句: 主语 + was/ were + 其他
例如: 1)I was in the park a moment ago
2)There were many trees in our country ten years ago
3) The pair of glasses was on the desk just now
注意:可以先考虑在一般目前时状况下的 be 动词是什么,然后再考虑该 be 动词对应的过去式
具有 be 动词过去式的肯定句变否认句措施:在 was 或 were 后加 not,其他不变
注意碰到some 变 any
也就是说否认句构造为:主语 + was not( wasn't)/ were not (weren’t) + 其他例如:1) He was a student at a primary school ten years ago
( 改为否认句) 2) We were here yesterday
( 改为否认句) 3) I was at the camp last Sunday
(改为否认句)3
具有 be 动词过去式的肯定句变一般疑问句措施:把 was 和 were 提到句子开头