English verb conjugation
COULD QUIT

Irregular verb: quit - quit - quit

Affirmation

Simple form	V-ing form
I could quit you could quit she could quit we could quit you could quit they could quit	I could be quitting you could be quitting she could be quitting we could be quitting you could be quitting they could be quitting
Perfect	V-ing perfect
I could have quit you could have quit she could have quit we could have quit you could have quit they could have quit	I could have been quitting you could have been quitting she could have been quitting we could have been quitting you could have been quitting they could have been quitting

Negation

Simple form	V-ing form
I couldn't quit you couldn't quit she couldn't quit we couldn't quit you couldn't quit they couldn't quit	I couldn't be quitting you couldn't be quitting she couldn't be quitting we couldn't be quitting you couldn't be quitting they couldn't be quitting
Perfect	V-ing perfect
I couldn't have quit you couldn't have quit she couldn't have quit we couldn't have quit you couldn't have quit they couldn't have quit	I couldn't have been quitting you couldn't have been quitting she couldn't have been quitting we couldn't have been quitting you couldn't have been quitting they couldn't have been quitting

Interrogative form

Simple form	V-ing form
could I quit? could you quit? could she quit? could we quit? could you quit? could they quit?	could I be quitting? could you be quitting? could she be quitting? could we be quitting? could you be quitting? could they be quitting?
Perfect	V-ing perfect
could I have quit? could you have quit? could she have quit? could we have quit? could you have quit? could they have quit?	could I have been quitting? could you have been quitting? could she have been quitting? could we have been quitting? could you have been quitting? could they have been quitting?

Interro-negative form

Simple form	V-ing form
couldn't I quit? couldn't you quit? couldn't she quit? couldn't we quit? couldn't you quit? couldn't they quit?	couldn't I be quitting? couldn't you be quitting? couldn't she be quitting? couldn't we be quitting? couldn't you be quitting? couldn't they be quitting?
Perfect	V-ing perfect
couldn't I have quit? couldn't you have quit? couldn't she have quit? couldn't we have quit? couldn't you have quit? couldn't they have quit?	couldn't I have been quitting? couldn't you have been quitting? couldn't she have been quitting? couldn't we have been quitting? couldn't you have been quitting? couldn't they have been quitting?