What is the principal part of the underlined verb in the sentence?

I am letting him use my skateboard for the week.

A.
past

B.
present participle

C.
present

D.
past participle can u please help me

Question

What is the principal part of the underlined verb in the sentence? 

I am letting him use my skateboard for the week.
 
 A.
past
 
 B.
present participle
 
 C.
present
 
 D.
past participle       can u please help me

youngstudier · Answer

@Christian_10_

youngstudier · Answer

What's underlined?

anonymous · Answer

am letting is underlined

christian_10_ · Answer

I think maybe A.

anonymous · Answer

@YoungStudier  what do u think

anonymous · Answer

What is the principal part of the underlined verb in the sentence? 

The children blew bubbles outside.
 
 A.
present participle
 
 B.
past participle
 
 C.
past
 
 D.
present

youngstudier · Answer

I don't think it's A for the first one...

youngstudier · Answer

Cuz they're in the process of letting the person.

anonymous · Answer

ok

youngstudier · Answer

So what do you think it could be for the first one?

anonymous · Answer

i thought it was d to be honest

anonymous · Answer

What is the principal part of the underlined verb in the sentence? 

Tell me what you think about these menus.
 
 A.
present participle
 
 B.
past
 
 C.
present
 
 D.
past participle

youngstudier · Answer

It's not D for the first one....