do-doing-does模仿例子写一写piay-[ ]-[ ]run-[ ]-[ ]swim-[ ]-[ ]have-[ ]-[ ]sing-[ ]-[ ]say-[ ]-[ ]go-[ ]- [ ]make-[ ]-[ ]sit-[ ]-[ ]

play-playing-palys
run-running-runs
swim-swimming-swims
have-having-has
sing-singing-sings
say-saying-says
go-going-goes
make-making-makes
sit-sitting-sits请采纳