English verb conjugation COULD WARBLE

Regular verb: warble - warbled - warbled

Affirmation

Simple form

I could warble
you could warble
he could warble
we could warble
you could warble
they could warble

V-ing form

I could be warbling
you could be warbling
he could be warbling
we could be warbling
you could be warbling
they could be warbling

Perfect

I could have warbled
you could have warbled
he could have warbled
we could have warbled
you could have warbled
they could have warbled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I warble?
could you warble?
could he warble?
could we warble?
could you warble?
could they warble?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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