English verb conjugation COULD QUILL

Regular verb: quill - quilled - quilled

Affirmation

Simple form

I could quill
you could quill
he could quill
we could quill
you could quill
they could quill

V-ing form

I could be quilling
you could be quilling
he could be quilling
we could be quilling
you could be quilling
they could be quilling

Perfect

I could have quilled
you could have quilled
he could have quilled
we could have quilled
you could have quilled
they could have quilled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I quill?
could you quill?
could he quill?
could we quill?
could you quill?
could they quill?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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