English verb conjugation COULD SUMMER

Regular verb: summer - summered - summered

Affirmation

Simple form

I could summer
you could summer
he could summer
we could summer
you could summer
they could summer

V-ing form

I could be summering
you could be summering
he could be summering
we could be summering
you could be summering
they could be summering

Perfect

I could have summered
you could have summered
he could have summered
we could have summered
you could have summered
they could have summered

V-ing perfect

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

Negation

Simple form

I could not summer
you could not summer
he could not summer
we could not summer
you could not summer
they could not summer

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I summer?
could you summer?
could he summer?
could we summer?
could you summer?
could they summer?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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