1.一般过去时表示过去某个时间发生的动作或存在的状态，常和表示过去的时间状语连用。一般过去时也表示过去经常或反复发生的动作感谢。
2.Be动词在一般过去时中的变化：
⑴am 和is在一般过去时中变为was。(was not=wasn’t)
⑵are在一般过去时中变为were。(were not=weren’t)
⑶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。
3.句中没有be动词的一般过去时的句子
否定句：didn’t +动词原形，如：Jim didn’t go home yesterday.
一般疑问句：在句首加did，句子中的动词过去式变回原形。
如：Did Jim go home yesterday?
特殊疑问句：⑴疑问词+did+主语+动词原形?
如： What did Jim do yesterday?
⑵疑问词当主语时：疑问词+动词过去式?
如：Who went to home yesterday?
动词过去式变化规则：
1.一般在动词末尾加-ed，如：pull-pulled, cook-cooked
2.结尾是e加d，如：taste-tasted
3.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，如：stop-stopped
4.以“辅音字母+y”结尾的，变y为i， 再加-ed，如：study-studied
过去时练习
写出下列动词的过去式
is\am_________ fly_______ plant________ are ________
drink_________ play_______ go________ make ________
does_________ dance________ worry________ ask _____
taste_________ eat__________ draw________ put ______
throw________ kick_________ pass_______ do ________
Be动词的过去时练习(1)
一、 用be动词的适当形式填空
1. I _______ at school just now.
2. He ________ at the camp last week.
3. We ________ students two years ago.
4. They ________ on the farm a moment ago.
5. Yang Ling ________ eleven years old last year.
6. There ________ an apple on the plate yesterday.
7. There ________ some milk in the fridge on Sunday.
8. The mobile phone _______ on the sofa yesterday evening.
二、 句型转换
1. It was exciting.
否定句：________________________________________________
一般疑问句：____________________________________________
肯、否定回答：__________________________________________
2. All the students were very excited.
否定句：________________________________________________
一般疑问句：____________________________________________
肯、否定回答：__________________________________________
3. They were in his pocket.
否定句：________________________________________________
一般疑问句：____________________________________________
肯、否定回答：_________________________________________
