2 (★★)看图,认真读下面的句子,你发现了什么吗?请把你发现变化的动词画上线。
1.
I usually watch TV at home.
I watched TV at home last weekend.
2.
I often wash clothes.
I washed clothes last weekend.
3.
I often clean the room.
I cleaned the room last weekend.
4.
I sometimes visit my grandparents.
I visited my grandparents last weekend.
5.
I play football every day.
I played football last weekend.

1. watch；2. wash；3. clean；4. visit；5. play

本题考查一般现在时与一般过去时的动词形式变化，需找出每组句子中由原形变为过去式的动词。