When 'Be' is used to form other tenses it is called ______________
Main verb
Auxiliary verb
Modal verb
None of these
I _________ (think) therefore I exist
Thinking
Think
none
none of these
A florist ___________ (sell) flowers.
sells
sale
sell
You __________ (waste) food every day.
wastes
waste
Identify the sentence in which the form of Be is used as auxiliary verb.
I am sad
He is naughty
She is dancing
Why simple present is used in the sentence 'barking dogs seldom bite'
It expresses permanent truth
It expresses danger
It expresses anxiety
John ___________ (go) for jogging.
go
goes
going
I ____________ (be) excited to be here.
am
were
are
have
The front door _________ (be) broken
is
Identify the wrong sentence
He is playing
She is singing
I am seeing a cow in front of our gate.
Jack is crying
