GERUND VS INFINITIVE

If he continues _________ fast, I'm sure he'll have a serious accident some day.

If you keep on ___________ (work) like that, I'm going to have to fire you.

My boyfriend is very clumsy. When we go dancing he keeps on _________ (step) on my feet.

But I'm afraid I might hurt my back if I keep on __________ (lift) them so often.

I don't think I should continue to _________ (lift) weighs every day.

My friend Albert has got to stop __________ so fast and start _________ more carefully.

My older sister always teases me. Today I'm really mad! She began ________ (tease) me early this morning and she hasn't stopped.

I like __________ (lift) weighs.

If he keeps on ____________ (fall) asleep, I'll never go to a movie with him again.

My husband can't stop _______ (fall) asleep.

And I won't stop _________ (cry) until she stops _____________ (tease) me!

Mr. Pekins, when are you going to stop ______ (work) so sloppily and start _____ (be) more neatly?

If he doesn't start __________ (dance) more gracefully, I'm going to stop _________ (go) dancing with him.

If she keeps on __________ (tease) me, I'm going to cry.