English verb conjugation COULD STRAIN

Regular verb: strain - strained - strained

Affirmation

Simple form

I could strain
you could strain
she could strain
we could strain
you could strain
they could strain

V-ing form

I could be straining
you could be straining
she could be straining
we could be straining
you could be straining
they could be straining

Perfect

I could have strained
you could have strained
she could have strained
we could have strained
you could have strained
they could have strained

V-ing perfect

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

Negation

Simple form

I could not strain
you could not strain
she could not strain
we could not strain
you could not strain
they could not strain

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I strain?
could you strain?
could she strain?
could we strain?
could you strain?
could they strain?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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