照样子：例子：run----ran----renning
问题描述：
照样子：例子：run----ran----renning
1,swim--- --- 2,sing--- --- 3,go--- --- 4,dance--- －－ 5,do-- --- 6,read--- --- 7,write--- --- 8,draw--- ---
答
run ran running
swin swam swimming
sing sang singing
go went going
dance danced dancing
do did doing
read read reading
write wrote writing
draw drew drawing