English verb conjugation COULD CRACKLE

Regular verb: crackle - crackled - crackled

Affirmation

Simple form

I could crackle
you could crackle
he could crackle
we could crackle
you could crackle
they could crackle

V-ing form

I could be crackling
you could be crackling
he could be crackling
we could be crackling
you could be crackling
they could be crackling

Perfect

I could have crackled
you could have crackled
he could have crackled
we could have crackled
you could have crackled
they could have crackled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I crackle?
could you crackle?
could he crackle?
could we crackle?
could you crackle?
could they crackle?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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