English verb conjugation COULD ADJOIN

Regular verb: adjoin - adjoined - adjoined

Affirmation

Simple form

I could adjoin
you could adjoin
he could adjoin
we could adjoin
you could adjoin
they could adjoin

V-ing form

I could be adjoining
you could be adjoining
he could be adjoining
we could be adjoining
you could be adjoining
they could be adjoining

Perfect

I could have adjoined
you could have adjoined
he could have adjoined
we could have adjoined
you could have adjoined
they could have adjoined

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I adjoin?
could you adjoin?
could he adjoin?
could we adjoin?
could you adjoin?
could they adjoin?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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