English verb conjugation COULD FALL

Irregular verb: fall - fell - fallen

Affirmation

Simple form

I could fall
you could fall
he could fall
we could fall
you could fall
they could fall

V-ing form

I could be falling
you could be falling
he could be falling
we could be falling
you could be falling
they could be falling

Perfect

I could have fallen
you could have fallen
he could have fallen
we could have fallen
you could have fallen
they could have fallen

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I fall?
could you fall?
could he fall?
could we fall?
could you fall?
could they fall?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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