English verb conjugation COULD CONVOLVE

Regular verb: convolve - convolved - convolved

Affirmation

Simple form

I could convolve
you could convolve
he could convolve
we could convolve
you could convolve
they could convolve

V-ing form

I could be convolving
you could be convolving
he could be convolving
we could be convolving
you could be convolving
they could be convolving

Perfect

I could have convolved
you could have convolved
he could have convolved
we could have convolved
you could have convolved
they could have convolved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I convolve?
could you convolve?
could he convolve?
could we convolve?
could you convolve?
could they convolve?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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