English verb conjugation COULD MUFFLE

Regular verb: muffle - muffled - muffled

Affirmation

Simple form

I could muffle
you could muffle
he could muffle
we could muffle
you could muffle
they could muffle

V-ing form

I could be muffling
you could be muffling
he could be muffling
we could be muffling
you could be muffling
they could be muffling

Perfect

I could have muffled
you could have muffled
he could have muffled
we could have muffled
you could have muffled
they could have muffled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I muffle?
could you muffle?
could he muffle?
could we muffle?
could you muffle?
could they muffle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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