English verb conjugation COULD STRAIN

Regular verb: strain - strained - strained

Affirmation

Simple form

I could strain
you could strain
he could strain
we could strain
you could strain
they could strain

V-ing form

I could be straining
you could be straining
he could be straining
we could be straining
you could be straining
they could be straining

Perfect

I could have strained
you could have strained
he 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
he could have been straining
we could have been straining
you could have been straining
they could have been straining

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I strain?
could you strain?
could he strain?
could we strain?
could you strain?
could they strain?

V-ing form

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

Perfect

could I have strained?
could you have strained?
could he 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 he have been straining?
could we have been straining?
could you have been straining?
could they have been straining?

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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