eat-ate, take-took, run-ran, sing-sang, drink-drank 等等
对于动词的不规则情况，我们采取看见一个记得一个的方式。
小学阶段要掌握的几个动词的过去时：
Watch TV_______ wash clothes _______ play football _________ clean the room ______
Visit grandparents _________ read a new book _______ go to a park __________
Go fishing __________ go swimming ___________ sing and dance _______ go hiking ________
Take picture _________ learn Chinese ____________ climb a mountain__________
eat good food_________ bring present __________ row a boat ____________
saw elephants _____________ go skiing__________ go ice-skating _____________
I.句子练习：
1. He _______ (visit) the Great wall last week.
2. We _______ (have) a good time yesterday.
3. We often _______ (go) to school by bus last year.
4. I ______ (live) in the village when I was a child.
5. Mike ______ (see) a big tiger in the nature park last year.