Past tense for "be"?
Was/were
Base form for the word venir is...
Come

They are snowboarding.

He ___ ____ (eat) an apple.
He is eating an apple.
Do you like play cricket?
Do you like playing cricket?
Past tense for the word catch?
Caught
What is the base form for began?
Begin

He is surfing.

She ___ ____ (read) a book.
She is reading a book.
Tom: Are you surfing today?
Ben: No, he isn't.
Tom: Are you surfing today?
Ben: No, I'm not.
What is the past tense for build?
Built
Base form for the word bought is?
Buy

Answer:
Is she bowling?
No she isn't. She is scuba diving.

We ___ _____ (learn) English in class today.
We are learning English in class today.
I build a lego set yesterday.
I built a lego set yesterday.
True or False: The past tense for break is breaked.
False:
Broke
True or false: The base form for Chose is Chose?
False, Choose

Answer question:
Is he wearing a helmet?
No, he is not wearing a helmet?
The baby ___ ____ (cry).
The baby is crying.
I am siting on the bus.
I am sitting on the bus.
True or false: Past tense for the word buy is brought?
False:
Bought
True or false: The base form for the word came is come?
True

Answer question:
Are they kayaking?
Yes, they are kayaking.

They __ ___ (raise) their hands.
They are raising their hands.
Go / to / like / swimming / I.
I like to go swimming.