一般过去时态变化规律

Question

1.teach________ catch________
规律：________________
2.bring_______ buy_________
think_________
规律：_______________
3.meet__________ feed___________
规律：_______________
4.grow__________ know__________
throw__________ fly__________
规律____________________

Answer 1

1.直接加ed：work-- worked , 2.以e结尾的单词，直接加d：live --lived 3 以辅音字母+y结尾的，变y为i加ed：study studied 4 以重读闭音节结尾的，双写最后的辅音字母+ed eg： stop stopped 不规则变化：

http://baike.baidu.com/image/42e89c26a35f612e8b82a17a 图片

主语+动词过去式+其他 否定形式①was/were+not;②在行为动词前加didn't，同时还原行为动词 一般疑问句Did+主语+do+其他？ 例句She often came to help us in those days. I didn't know you were so busy. 特殊疑问
疑问句词+did+主语+动词原形+其他

其他的在网址上找!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

参考资料：http://baike.baidu.com/view/191061.htm?fr=ala0_1_1