Fill in the blank HELPING VERBS
Finish this sentence: I ___ going to the store later today.
I AM/WILL BE going to the store later today.
Finish this sentence: They ___ excited about the school trip next week.
They ARE/WERE excited about the school trip next week.
Finish this sentence: The dog ___ barking all night.
The dog IS/WAS/HAS BEEN barking all night.