English verb conjugation
COULD FRITTER

Regular verb: fritter - frittered - frittered

Affirmation

Simple form	V-ing form
I could fritter you could fritter he could fritter we could fritter you could fritter they could fritter	I could be frittering you could be frittering he could be frittering we could be frittering you could be frittering they could be frittering
Perfect	V-ing perfect
I could have frittered you could have frittered he could have frittered we could have frittered you could have frittered they could have frittered	I could have been frittering you could have been frittering he could have been frittering we could have been frittering you could have been frittering they could have been frittering

Negation

Simple form	V-ing form
I could not fritter you could not fritter he could not fritter we could not fritter you could not fritter they could not fritter	I could not be frittering you could not be frittering he could not be frittering we could not be frittering you could not be frittering they could not be frittering
Perfect	V-ing perfect
I could not have frittered you could not have frittered he could not have frittered we could not have frittered you could not have frittered they could not have frittered	I could not have been frittering you could not have been frittering he could not have been frittering we could not have been frittering you could not have been frittering they could not have been frittering

Interrogative form

Simple form	V-ing form
could I fritter? could you fritter? could he fritter? could we fritter? could you fritter? could they fritter?	could I be frittering? could you be frittering? could he be frittering? could we be frittering? could you be frittering? could they be frittering?
Perfect	V-ing perfect
could I have frittered? could you have frittered? could he have frittered? could we have frittered? could you have frittered? could they have frittered?	could I have been frittering? could you have been frittering? could he have been frittering? could we have been frittering? could you have been frittering? could they have been frittering?

Interro-negative form

Simple form	V-ing form
could I not fritter? could you not fritter? could he not fritter? could we not fritter? could you not fritter? could they not fritter?	could I not be frittering? could you not be frittering? could he not be frittering? could we not be frittering? could you not be frittering? could they not be frittering?
Perfect	V-ing perfect
could I not have frittered? could you not have frittered? could he not have frittered? could we not have frittered? could you not have frittered? could they not have frittered?	could I not have been frittering? could you not have been frittering? could he not have been frittering? could we not have been frittering? could you not have been frittering? could they not have been frittering?