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wash the clothes
What did you do last weekend?
不规则动词过去式
be ( )
do ( )
have ( )
go ( )
see ( )
make ( )
was/were
did
had
went
saw
made
规则动词的过去式：
1)一般情况在动词原形后加-ed
2)以不发音e结尾的加-d
3)以辅音加y结尾的，把y变i加-ed
watch---watched
practice---practiced
study---studied
/'ha?sw??k/
do housework 做家务
What did you do last weekend?
I did housework last weekend.
look after 照顾,照看
look after Grandma 照顾奶奶（外婆）
What did you do last weekend?
I looked after my Grandma.