Auxiliary verbs exercises multiple choice - Verb exercises

Choose the correct auxiliary verb to complete the sentences.
Your score is: %. You have correct and incorrect answers.
Try again
Keep in mind the grammar tests are generated automatically and sentences for them are taken from corpora. If you notice any mistake or inappropriate content, please, let us know.
I mean common, I _____ not born yesterday.
am
did
was
Regulation of water and sewerage _____ not changed since 2004.
does
has
have
Pity most of them _____ not working on the last day ( Sunday ).
was
is
were
Do not you think it 's strange that you _____ not heard from Zoya since last friday?
have
has
was
She _____ not talking to me now.
have
was
is
They _____ not selling it at all last year.
were
is
has
Okay, Vin, we _____ not make it habit now, okay?
am
do
are
The idea _____ not born at any given moment, it has always been present in my head.
did
is
was
If forceful countermeasures _____ not taken now, a further aggravation of the world food crisis is imminent.
are
were
did
Zubkov _____ not check out until last night.
were
did
does