English verb conjugation COULD JOIN

Regular verb: join - joined - joined

Affirmation

Simple form

I could join
you could join
he could join
we could join
you could join
they could join

V-ing form

I could be joining
you could be joining
he could be joining
we could be joining
you could be joining
they could be joining

Perfect

I could have joined
you could have joined
he could have joined
we could have joined
you could have joined
they could have joined

V-ing perfect

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

Negation

Simple form

I could not join
you could not join
he could not join
we could not join
you could not join
they could not join

V-ing form

I could not be joining
you could not be joining
he could not be joining
we could not be joining
you could not be joining
they could not be joining

Perfect

I could not have joined
you could not have joined
he could not have joined
we could not have joined
you could not have joined
they could not have joined

V-ing perfect

I could not have been joining
you could not have been joining
he could not have been joining
we could not have been joining
you could not have been joining
they could not have been joining

Interrogative form

Simple form

could I join?
could you join?
could he join?
could we join?
could you join?
could they join?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not join?
could you not join?
could he not join?
could we not join?
could you not join?
could they not join?

V-ing form

could I not be joining?
could you not be joining?
could he not be joining?
could we not be joining?
could you not be joining?
could they not be joining?

Perfect

could I not have joined?
could you not have joined?
could he not have joined?
could we not have joined?
could you not have joined?
could they not have joined?

V-ing perfect

could I not have been joining?
could you not have been joining?
could he not have been joining?
could we not have been joining?
could you not have been joining?
could they not have been joining?

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