English verb conjugation COULD CRACKLE

Regular verb: crackle - crackled - crackled

Affirmation

Simple form

I could crackle
you could crackle
she could crackle
we could crackle
you could crackle
they could crackle

V-ing form

I could be crackling
you could be crackling
she could be crackling
we could be crackling
you could be crackling
they could be crackling

Perfect

I could have crackled
you could have crackled
she 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
she 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
she 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
she 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
she 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
she 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 she crackle?
could we crackle?
could you crackle?
could they crackle?

V-ing form

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

Perfect

could I have crackled?
could you have crackled?
could she 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 she 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 she 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 she 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 she 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 she 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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