English verb conjugation
COULD DESERT

Regular verb: desert - deserted - deserted

Affirmation

Simple form	V-ing form
I could desert you could desert he could desert we could desert you could desert they could desert	I could be deserting you could be deserting he could be deserting we could be deserting you could be deserting they could be deserting
Perfect	V-ing perfect
I could have deserted you could have deserted he could have deserted we could have deserted you could have deserted they could have deserted	I could have been deserting you could have been deserting he could have been deserting we could have been deserting you could have been deserting they could have been deserting

Negation

Simple form	V-ing form
I could not desert you could not desert he could not desert we could not desert you could not desert they could not desert	I could not be deserting you could not be deserting he could not be deserting we could not be deserting you could not be deserting they could not be deserting
Perfect	V-ing perfect
I could not have deserted you could not have deserted he could not have deserted we could not have deserted you could not have deserted they could not have deserted	I could not have been deserting you could not have been deserting he could not have been deserting we could not have been deserting you could not have been deserting they could not have been deserting

Interrogative form

Simple form	V-ing form
could I desert? could you desert? could he desert? could we desert? could you desert? could they desert?	could I be deserting? could you be deserting? could he be deserting? could we be deserting? could you be deserting? could they be deserting?
Perfect	V-ing perfect
could I have deserted? could you have deserted? could he have deserted? could we have deserted? could you have deserted? could they have deserted?	could I have been deserting? could you have been deserting? could he have been deserting? could we have been deserting? could you have been deserting? could they have been deserting?

Interro-negative form

Simple form	V-ing form
could I not desert? could you not desert? could he not desert? could we not desert? could you not desert? could they not desert?	could I not be deserting? could you not be deserting? could he not be deserting? could we not be deserting? could you not be deserting? could they not be deserting?
Perfect	V-ing perfect
could I not have deserted? could you not have deserted? could he not have deserted? could we not have deserted? could you not have deserted? could they not have deserted?	could I not have been deserting? could you not have been deserting? could he not have been deserting? could we not have been deserting? could you not have been deserting? could they not have been deserting?