English verb conjugation
COULD TOWEL

Regular verb: towel - towelled - towelled

Affirmation

Simple form	V-ing form
I could towel you could towel he could towel we could towel you could towel they could towel	I could be towelling you could be towelling he could be towelling we could be towelling you could be towelling they could be towelling
Perfect	V-ing perfect
I could have towelled you could have towelled he could have towelled we could have towelled you could have towelled they could have towelled	I could have been towelling you could have been towelling he could have been towelling we could have been towelling you could have been towelling they could have been towelling

Negation

Simple form	V-ing form
I could not towel you could not towel he could not towel we could not towel you could not towel they could not towel	I could not be towelling you could not be towelling he could not be towelling we could not be towelling you could not be towelling they could not be towelling
Perfect	V-ing perfect
I could not have towelled you could not have towelled he could not have towelled we could not have towelled you could not have towelled they could not have towelled	I could not have been towelling you could not have been towelling he could not have been towelling we could not have been towelling you could not have been towelling they could not have been towelling

Interrogative form

Simple form	V-ing form
could I towel? could you towel? could he towel? could we towel? could you towel? could they towel?	could I be towelling? could you be towelling? could he be towelling? could we be towelling? could you be towelling? could they be towelling?
Perfect	V-ing perfect
could I have towelled? could you have towelled? could he have towelled? could we have towelled? could you have towelled? could they have towelled?	could I have been towelling? could you have been towelling? could he have been towelling? could we have been towelling? could you have been towelling? could they have been towelling?

Interro-negative form

Simple form	V-ing form
could I not towel? could you not towel? could he not towel? could we not towel? could you not towel? could they not towel?	could I not be towelling? could you not be towelling? could he not be towelling? could we not be towelling? could you not be towelling? could they not be towelling?
Perfect	V-ing perfect
could I not have towelled? could you not have towelled? could he not have towelled? could we not have towelled? could you not have towelled? could they not have towelled?	could I not have been towelling? could you not have been towelling? could he not have been towelling? could we not have been towelling? could you not have been towelling? could they not have been towelling?