English verb conjugation COULD TINKER

Regular verb: tinker - tinkered - tinkered

Affirmation

Simple form

I could tinker
you could tinker
she could tinker
we could tinker
you could tinker
they could tinker

V-ing form

I could be tinkering
you could be tinkering
she could be tinkering
we could be tinkering
you could be tinkering
they could be tinkering

Perfect

I could have tinkered
you could have tinkered
she could have tinkered
we could have tinkered
you could have tinkered
they could have tinkered

V-ing perfect

I could have been tinkering
you could have been tinkering
she could have been tinkering
we could have been tinkering
you could have been tinkering
they could have been tinkering

Negation

Simple form

I could not tinker
you could not tinker
she could not tinker
we could not tinker
you could not tinker
they could not tinker

V-ing form

I could not be tinkering
you could not be tinkering
she could not be tinkering
we could not be tinkering
you could not be tinkering
they could not be tinkering

Perfect

I could not have tinkered
you could not have tinkered
she could not have tinkered
we could not have tinkered
you could not have tinkered
they could not have tinkered

V-ing perfect

I could not have been tinkering
you could not have been tinkering
she could not have been tinkering
we could not have been tinkering
you could not have been tinkering
they could not have been tinkering

Interrogative form

Simple form

could I tinker?
could you tinker?
could she tinker?
could we tinker?
could you tinker?
could they tinker?

V-ing form

could I be tinkering?
could you be tinkering?
could she be tinkering?
could we be tinkering?
could you be tinkering?
could they be tinkering?

Perfect

could I have tinkered?
could you have tinkered?
could she have tinkered?
could we have tinkered?
could you have tinkered?
could they have tinkered?

V-ing perfect

could I have been tinkering?
could you have been tinkering?
could she have been tinkering?
could we have been tinkering?
could you have been tinkering?
could they have been tinkering?

Interro-negative form

Simple form

could I not tinker?
could you not tinker?
could she not tinker?
could we not tinker?
could you not tinker?
could they not tinker?

V-ing form

could I not be tinkering?
could you not be tinkering?
could she not be tinkering?
could we not be tinkering?
could you not be tinkering?
could they not be tinkering?

Perfect

could I not have tinkered?
could you not have tinkered?
could she not have tinkered?
could we not have tinkered?
could you not have tinkered?
could they not have tinkered?

V-ing perfect

could I not have been tinkering?
could you not have been tinkering?
could she not have been tinkering?
could we not have been tinkering?
could you not have been tinkering?
could they not have been tinkering?

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