English verb conjugation COULD COUPLE

Regular verb: couple - coupled - coupled

Affirmation

Simple form

I could couple
you could couple
he could couple
we could couple
you could couple
they could couple

V-ing form

I could be coupling
you could be coupling
he could be coupling
we could be coupling
you could be coupling
they could be coupling

Perfect

I could have coupled
you could have coupled
he could have coupled
we could have coupled
you could have coupled
they could have coupled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I couple?
could you couple?
could he couple?
could we couple?
could you couple?
could they couple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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