He _______ ever ________ (be) to the amusement park several times.
I’m sorry I didn’t finish ___________ (write) my composition.
I have been ________ (skate) for two hours.
________ you ________ (teach) us computer science next year.
I went there last year and _________ (fall) in love with it.
They ___________ (fly) to the moon in ten years.
I will go to the water park if it __________ (not rain) tomorrow.
When Mr. Cook got home, his son ___________ (listen) to the radio.
The old man makes a living by ________ (sell) vegetables.
The box is too heavy. I’m not strong enough _________ (carry) it.