English verb conjugation COULD OVERSTRAIN

Regular verb: overstrain - overstrained - overstrained

Affirmation

Simple form

I could overstrain
you could overstrain
he could overstrain
we could overstrain
you could overstrain
they could overstrain

V-ing form

I could be overstraining
you could be overstraining
he could be overstraining
we could be overstraining
you could be overstraining
they could be overstraining

Perfect

I could have overstrained
you could have overstrained
he could have overstrained
we could have overstrained
you could have overstrained
they could have overstrained

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I overstrain?
could you overstrain?
could he overstrain?
could we overstrain?
could you overstrain?
could they overstrain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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