English verb conjugation COULD DRUM

Regular verb: drum - drummed - drummed

Affirmation

Simple form

I could drum
you could drum
he could drum
we could drum
you could drum
they could drum

V-ing form

I could be drumming
you could be drumming
he could be drumming
we could be drumming
you could be drumming
they could be drumming

Perfect

I could have drummed
you could have drummed
he could have drummed
we could have drummed
you could have drummed
they could have drummed

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I drum?
could you drum?
could he drum?
could we drum?
could you drum?
could they drum?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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