教学内容: 一般过去时的用法及结构--4
教学目标:了解过去式的用法, 结构,并掌握过去式的动词变化
一. 一般过去时的定义:表示过去经常或偶然发生的动作, 或存在的状态的时态
二.一般过去时的结构:
1. 含有系动词be的结构:
肯定句            否定句              疑问句
I was…             I was not…         Were you…? Yes, I was. /No, I was not. 
He/She/It was…     He/She/It was not    Was he/she/it…? Yes, he/she/it was
./No, he/she/it was not.
We/They/You were  We/They/You were not Were you/they…? Yes, we/they  were.
                                              No, we/they weren’t. 
说明: was not = wasn’t   were