English verb conjugation
COULD DESIST

Regular verb: desist - desisted - desisted

Affirmation

Simple form	V-ing form
I could desist you could desist he could desist we could desist you could desist they could desist	I could be desisting you could be desisting he could be desisting we could be desisting you could be desisting they could be desisting
Perfect	V-ing perfect
I could have desisted you could have desisted he could have desisted we could have desisted you could have desisted they could have desisted	I could have been desisting you could have been desisting he could have been desisting we could have been desisting you could have been desisting they could have been desisting

Negation

Simple form	V-ing form
I couldn't desist you couldn't desist he couldn't desist we couldn't desist you couldn't desist they couldn't desist	I couldn't be desisting you couldn't be desisting he couldn't be desisting we couldn't be desisting you couldn't be desisting they couldn't be desisting
Perfect	V-ing perfect
I couldn't have desisted you couldn't have desisted he couldn't have desisted we couldn't have desisted you couldn't have desisted they couldn't have desisted	I couldn't have been desisting you couldn't have been desisting he couldn't have been desisting we couldn't have been desisting you couldn't have been desisting they couldn't have been desisting

Interrogative form

Simple form	V-ing form
could I desist? could you desist? could he desist? could we desist? could you desist? could they desist?	could I be desisting? could you be desisting? could he be desisting? could we be desisting? could you be desisting? could they be desisting?
Perfect	V-ing perfect
could I have desisted? could you have desisted? could he have desisted? could we have desisted? could you have desisted? could they have desisted?	could I have been desisting? could you have been desisting? could he have been desisting? could we have been desisting? could you have been desisting? could they have been desisting?

Interro-negative form

Simple form	V-ing form
couldn't I desist? couldn't you desist? couldn't he desist? couldn't we desist? couldn't you desist? couldn't they desist?	couldn't I be desisting? couldn't you be desisting? couldn't he be desisting? couldn't we be desisting? couldn't you be desisting? couldn't they be desisting?
Perfect	V-ing perfect
couldn't I have desisted? couldn't you have desisted? couldn't he have desisted? couldn't we have desisted? couldn't you have desisted? couldn't they have desisted?	couldn't I have been desisting? couldn't you have been desisting? couldn't he have been desisting? couldn't we have been desisting? couldn't you have been desisting? couldn't they have been desisting?