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 couldn't tut you couldn't tut he couldn't tut we couldn't tut you couldn't tut they couldn't tut	I couldn't be tuting you couldn't be tuting he couldn't be tuting we couldn't be tuting you couldn't be tuting they couldn't be tuting
Perfect	V-ing perfect
I couldn't have tuted you couldn't have tuted he couldn't have tuted we couldn't have tuted you couldn't have tuted they couldn't have tuted	I couldn't have been tuting you couldn't have been tuting he couldn't have been tuting we couldn't have been tuting you couldn't have been tuting they couldn't 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
couldn't I tut? couldn't you tut? couldn't he tut? couldn't we tut? couldn't you tut? couldn't they tut?	couldn't I be tuting? couldn't you be tuting? couldn't he be tuting? couldn't we be tuting? couldn't you be tuting? couldn't they be tuting?
Perfect	V-ing perfect
couldn't I have tuted? couldn't you have tuted? couldn't he have tuted? couldn't we have tuted? couldn't you have tuted? couldn't they have tuted?	couldn't I have been tuting? couldn't you have been tuting? couldn't he have been tuting? couldn't we have been tuting? couldn't you have been tuting? couldn't they have been tuting?