English verb conjugation COULD SLAM

Regular verb: slam - slammed - slammed

Affirmation

Simple form

I could slam
you could slam
he could slam
we could slam
you could slam
they could slam

V-ing form

I could be slamming
you could be slamming
he could be slamming
we could be slamming
you could be slamming
they could be slamming

Perfect

I could have slammed
you could have slammed
he could have slammed
we could have slammed
you could have slammed
they could have slammed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I slam?
could you slam?
could he slam?
could we slam?
could you slam?
could they slam?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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