English verb conjugation COULD RESTRENGTHEN

Regular verb: restrengthen - restrengthened - restrengthened

Affirmation

Simple form

I could restrengthen
you could restrengthen
he could restrengthen
we could restrengthen
you could restrengthen
they could restrengthen

V-ing form

I could be restrengthening
you could be restrengthening
he could be restrengthening
we could be restrengthening
you could be restrengthening
they could be restrengthening

Perfect

I could have restrengthened
you could have restrengthened
he could have restrengthened
we could have restrengthened
you could have restrengthened
they could have restrengthened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I restrengthen?
could you restrengthen?
could he restrengthen?
could we restrengthen?
could you restrengthen?
could they restrengthen?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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