English verb conjugation COULD TANK

Regular verb: tank - tanked - tanked

Affirmation

Simple form

I could tank
you could tank
he could tank
we could tank
you could tank
they could tank

V-ing form

I could be tanking
you could be tanking
he could be tanking
we could be tanking
you could be tanking
they could be tanking

Perfect

I could have tanked
you could have tanked
he could have tanked
we could have tanked
you could have tanked
they could have tanked

V-ing perfect

I could have been tanking
you could have been tanking
he could have been tanking
we could have been tanking
you could have been tanking
they could have been tanking

Negation

Simple form

I couldn't tank
you couldn't tank
he couldn't tank
we couldn't tank
you couldn't tank
they couldn't tank

V-ing form

I couldn't be tanking
you couldn't be tanking
he couldn't be tanking
we couldn't be tanking
you couldn't be tanking
they couldn't be tanking

Perfect

I couldn't have tanked
you couldn't have tanked
he couldn't have tanked
we couldn't have tanked
you couldn't have tanked
they couldn't have tanked

V-ing perfect

I couldn't have been tanking
you couldn't have been tanking
he couldn't have been tanking
we couldn't have been tanking
you couldn't have been tanking
they couldn't have been tanking

Interrogative form

Simple form

could I tank?
could you tank?
could he tank?
could we tank?
could you tank?
could they tank?

V-ing form

could I be tanking?
could you be tanking?
could he be tanking?
could we be tanking?
could you be tanking?
could they be tanking?

Perfect

could I have tanked?
could you have tanked?
could he have tanked?
could we have tanked?
could you have tanked?
could they have tanked?

V-ing perfect

could I have been tanking?
could you have been tanking?
could he have been tanking?
could we have been tanking?
could you have been tanking?
could they have been tanking?

Interro-negative form

Simple form

couldn't I tank?
couldn't you tank?
couldn't he tank?
couldn't we tank?
couldn't you tank?
couldn't they tank?

V-ing form

couldn't I be tanking?
couldn't you be tanking?
couldn't he be tanking?
couldn't we be tanking?
couldn't you be tanking?
couldn't they be tanking?

Perfect

couldn't I have tanked?
couldn't you have tanked?
couldn't he have tanked?
couldn't we have tanked?
couldn't you have tanked?
couldn't they have tanked?

V-ing perfect

couldn't I have been tanking?
couldn't you have been tanking?
couldn't he have been tanking?
couldn't we have been tanking?
couldn't you have been tanking?
couldn't they have been tanking?

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