IV. Put the correct form of the verb in brackets.
1. Nam usually (go) …………… goes ……………... to school by bike.
2. My father used to (go) ………… went ………………. fishing when he was a child.
3. I (not/ used to) …………… didn't used to …………….. play games when I was a child.
4. How about (go) ………… going …….……to the zoo on Sunday evening?