English verb conjugation COULD GRAB

Regular verb: grab - grabbed - grabbed

Affirmation

Simple form

I could grab
you could grab
he could grab
we could grab
you could grab
they could grab

V-ing form

I could be grabbing
you could be grabbing
he could be grabbing
we could be grabbing
you could be grabbing
they could be grabbing

Perfect

I could have grabbed
you could have grabbed
he could have grabbed
we could have grabbed
you could have grabbed
they could have grabbed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I grab?
could you grab?
could he grab?
could we grab?
could you grab?
could they grab?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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