English verb conjugation COULD CONSTRAIN

Regular verb: constrain - constrained - constrained

Affirmation

Simple form

I could constrain
you could constrain
she could constrain
we could constrain
you could constrain
they could constrain

V-ing form

I could be constraining
you could be constraining
she could be constraining
we could be constraining
you could be constraining
they could be constraining

Perfect

I could have constrained
you could have constrained
she could have constrained
we could have constrained
you could have constrained
they could have constrained

V-ing perfect

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

Negation

Simple form

I could not constrain
you could not constrain
she could not constrain
we could not constrain
you could not constrain
they could not constrain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I constrain?
could you constrain?
could she constrain?
could we constrain?
could you constrain?
could they constrain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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