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 couldn't join
you couldn't join
he couldn't join
we couldn't join
you couldn't join
they couldn't join

V-ing form

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

Perfect

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

V-ing perfect

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

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

V-ing form

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

Perfect

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

V-ing perfect

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

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