English verb conjugation
COULD TUT

Regular verb: tut - tuted - tuted

Affirmation

Simple form	V-ing form
I could tut you could tut he could tut we could tut you could tut they could tut	I could be tuting you could be tuting he could be tuting we could be tuting you could be tuting they could be tuting
Perfect	V-ing perfect
I could have tuted you could have tuted he could have tuted we could have tuted you could have tuted they could have tuted	I could have been tuting you could have been tuting he could have been tuting we could have been tuting you could have been tuting they could have been tuting

Negation

Simple form	V-ing form
I could not tut you could not tut he could not tut we could not tut you could not tut they could not tut	I could not be tuting you could not be tuting he could not be tuting we could not be tuting you could not be tuting they could not be tuting
Perfect	V-ing perfect
I could not have tuted you could not have tuted he could not have tuted we could not have tuted you could not have tuted they could not have tuted	I could not have been tuting you could not have been tuting he could not have been tuting we could not have been tuting you could not have been tuting they could not have been tuting

Interrogative form

Simple form	V-ing form
could I tut? could you tut? could he tut? could we tut? could you tut? could they tut?	could I be tuting? could you be tuting? could he be tuting? could we be tuting? could you be tuting? could they be tuting?
Perfect	V-ing perfect
could I have tuted? could you have tuted? could he have tuted? could we have tuted? could you have tuted? could they have tuted?	could I have been tuting? could you have been tuting? could he have been tuting? could we have been tuting? could you have been tuting? could they have been tuting?

Interro-negative form

Simple form	V-ing form
could I not tut? could you not tut? could he not tut? could we not tut? could you not tut? could they not tut?	could I not be tuting? could you not be tuting? could he not be tuting? could we not be tuting? could you not be tuting? could they not be tuting?
Perfect	V-ing perfect
could I not have tuted? could you not have tuted? could he not have tuted? could we not have tuted? could you not have tuted? could they not have tuted?	could I not have been tuting? could you not have been tuting? could he not have been tuting? could we not have been tuting? could you not have been tuting? could they not have been tuting?