English verb conjugation COULD UNDERSTATE

Regular verb: understate - understated - understated

Affirmation

Simple form

I could understate
you could understate
she could understate
we could understate
you could understate
they could understate

V-ing form

I could be understating
you could be understating
she could be understating
we could be understating
you could be understating
they could be understating

Perfect

I could have understated
you could have understated
she could have understated
we could have understated
you could have understated
they could have understated

V-ing perfect

I could have been understating
you could have been understating
she could have been understating
we could have been understating
you could have been understating
they could have been understating

Negation

Simple form

I could not understate
you could not understate
she could not understate
we could not understate
you could not understate
they could not understate

V-ing form

I could not be understating
you could not be understating
she could not be understating
we could not be understating
you could not be understating
they could not be understating

Perfect

I could not have understated
you could not have understated
she could not have understated
we could not have understated
you could not have understated
they could not have understated

V-ing perfect

I could not have been understating
you could not have been understating
she could not have been understating
we could not have been understating
you could not have been understating
they could not have been understating

Interrogative form

Simple form

could I understate?
could you understate?
could she understate?
could we understate?
could you understate?
could they understate?

V-ing form

could I be understating?
could you be understating?
could she be understating?
could we be understating?
could you be understating?
could they be understating?

Perfect

could I have understated?
could you have understated?
could she have understated?
could we have understated?
could you have understated?
could they have understated?

V-ing perfect

could I have been understating?
could you have been understating?
could she have been understating?
could we have been understating?
could you have been understating?
could they have been understating?

Interro-negative form

Simple form

could I not understate?
could you not understate?
could she not understate?
could we not understate?
could you not understate?
could they not understate?

V-ing form

could I not be understating?
could you not be understating?
could she not be understating?
could we not be understating?
could you not be understating?
could they not be understating?

Perfect

could I not have understated?
could you not have understated?
could she not have understated?
could we not have understated?
could you not have understated?
could they not have understated?

V-ing perfect

could I not have been understating?
could you not have been understating?
could she not have been understating?
could we not have been understating?
could you not have been understating?
could they not have been understating?

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