What's the past participle form for the verb "Hear"

• Heared

• Heard

• Hear

The past particple form of "Be" is

• Am

• Is

• Are

• Been

I have ________ a lot of tacos today.

I have _____ four movies!

• seen

• played

• read

• had

How many books have you read this month?

How have you been?

• Nice

• Not bad

• Wrong

• Spell

Have you ever met someone famous?

• No met someone famous.

• Yes met someone famous once.

• Met someone famous.

• Yes, I have. I met an actor once.

What countries have you ___________?

What's the past participle form for "Sing"?

• Sang

• Singed

• Sung

They ___________________ in a theatrical play together.