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I am happy today!
I was happy yesterday.
动词过去式的变化形式：
规则动词+ed
例如：walked, looked, talked, played……
不规则动词：
例如： do---did, have---had , go–––went,
see–––saw, eat–––ate ,
am is –––was
Yes!
用动词的适当形式填空
1. I _____to library on Sunday.
I _____to library yesterday. (go)
2. I _____ my home work every day.
I _____ my home work yesterday. (do)
3. I _____ a sandwich everyday.
I _____ a sandwich yesterday. ( eat)
4. I _______fun today.
I _______fun yesterday. ( have)
go
went
do
did
eat
ate
have
had
Homework.
单项选择
1, I ____happy yesterday.