English verb conjugation COULD PARTICIPATE

Regular verb: participate - participated - participated

Affirmation

Simple form

I could participate
you could participate
he could participate
we could participate
you could participate
they could participate

V-ing form

I could be participating
you could be participating
he could be participating
we could be participating
you could be participating
they could be participating

Perfect

I could have participated
you could have participated
he could have participated
we could have participated
you could have participated
they could have participated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I participate?
could you participate?
could he participate?
could we participate?
could you participate?
could they participate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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