English verb conjugation
COULD INCUR

Regular verb: incur - incurred - incurred

Affirmation

Simple form	V-ing form
I could incur you could incur he could incur we could incur you could incur they could incur	I could be incurring you could be incurring he could be incurring we could be incurring you could be incurring they could be incurring
Perfect	V-ing perfect
I could have incurred you could have incurred he could have incurred we could have incurred you could have incurred they could have incurred	I could have been incurring you could have been incurring he could have been incurring we could have been incurring you could have been incurring they could have been incurring

Negation

Simple form	V-ing form
I could not incur you could not incur he could not incur we could not incur you could not incur they could not incur	I could not be incurring you could not be incurring he could not be incurring we could not be incurring you could not be incurring they could not be incurring
Perfect	V-ing perfect
I could not have incurred you could not have incurred he could not have incurred we could not have incurred you could not have incurred they could not have incurred	I could not have been incurring you could not have been incurring he could not have been incurring we could not have been incurring you could not have been incurring they could not have been incurring

Interrogative form

Simple form	V-ing form
could I incur? could you incur? could he incur? could we incur? could you incur? could they incur?	could I be incurring? could you be incurring? could he be incurring? could we be incurring? could you be incurring? could they be incurring?
Perfect	V-ing perfect
could I have incurred? could you have incurred? could he have incurred? could we have incurred? could you have incurred? could they have incurred?	could I have been incurring? could you have been incurring? could he have been incurring? could we have been incurring? could you have been incurring? could they have been incurring?

Interro-negative form

Simple form	V-ing form
could I not incur? could you not incur? could he not incur? could we not incur? could you not incur? could they not incur?	could I not be incurring? could you not be incurring? could he not be incurring? could we not be incurring? could you not be incurring? could they not be incurring?
Perfect	V-ing perfect
could I not have incurred? could you not have incurred? could he not have incurred? could we not have incurred? could you not have incurred? could they not have incurred?	could I not have been incurring? could you not have been incurring? could he not have been incurring? could we not have been incurring? could you not have been incurring? could they not have been incurring?