(1)He started skated skating four years ago.
He ___ ___ ___for four years .
(2)I will have a picnic tomorrow.
He said that he___ ___ a picnic the next day.
(3)Why don't you give him a gift?
You___ ___ him a gift.
(4)You'd better not cut in line when others are waiting to get on the bus.
You'd better ___ ___ ___when others are waiting to get on the bus.