English verb conjugation
COULD BRATTLE

Regular verb: brattle - brattled - brattled

Affirmation

Simple form	V-ing form
I could brattle you could brattle he could brattle we could brattle you could brattle they could brattle	I could be brattling you could be brattling he could be brattling we could be brattling you could be brattling they could be brattling
Perfect	V-ing perfect
I could have brattled you could have brattled he could have brattled we could have brattled you could have brattled they could have brattled	I could have been brattling you could have been brattling he could have been brattling we could have been brattling you could have been brattling they could have been brattling

Negation

Simple form	V-ing form
I could not brattle you could not brattle he could not brattle we could not brattle you could not brattle they could not brattle	I could not be brattling you could not be brattling he could not be brattling we could not be brattling you could not be brattling they could not be brattling
Perfect	V-ing perfect
I could not have brattled you could not have brattled he could not have brattled we could not have brattled you could not have brattled they could not have brattled	I could not have been brattling you could not have been brattling he could not have been brattling we could not have been brattling you could not have been brattling they could not have been brattling

Interrogative form

Simple form	V-ing form
could I brattle? could you brattle? could he brattle? could we brattle? could you brattle? could they brattle?	could I be brattling? could you be brattling? could he be brattling? could we be brattling? could you be brattling? could they be brattling?
Perfect	V-ing perfect
could I have brattled? could you have brattled? could he have brattled? could we have brattled? could you have brattled? could they have brattled?	could I have been brattling? could you have been brattling? could he have been brattling? could we have been brattling? could you have been brattling? could they have been brattling?

Interro-negative form

Simple form	V-ing form
could I not brattle? could you not brattle? could he not brattle? could we not brattle? could you not brattle? could they not brattle?	could I not be brattling? could you not be brattling? could he not be brattling? could we not be brattling? could you not be brattling? could they not be brattling?
Perfect	V-ing perfect
could I not have brattled? could you not have brattled? could he not have brattled? could we not have brattled? could you not have brattled? could they not have brattled?	could I not have been brattling? could you not have been brattling? could he not have been brattling? could we not have been brattling? could you not have been brattling? could they not have been brattling?