English verb conjugation
COULD ANNEX

Regular verb: annex - annexed - annexed

Affirmation

Simple form	V-ing form
I could annex you could annex she could annex we could annex you could annex they could annex	I could be annexing you could be annexing she could be annexing we could be annexing you could be annexing they could be annexing
Perfect	V-ing perfect
I could have annexed you could have annexed she could have annexed we could have annexed you could have annexed they could have annexed	I could have been annexing you could have been annexing she could have been annexing we could have been annexing you could have been annexing they could have been annexing

Negation

Simple form	V-ing form
I could not annex you could not annex she could not annex we could not annex you could not annex they could not annex	I could not be annexing you could not be annexing she could not be annexing we could not be annexing you could not be annexing they could not be annexing
Perfect	V-ing perfect
I could not have annexed you could not have annexed she could not have annexed we could not have annexed you could not have annexed they could not have annexed	I could not have been annexing you could not have been annexing she could not have been annexing we could not have been annexing you could not have been annexing they could not have been annexing

Interrogative form

Simple form	V-ing form
could I annex? could you annex? could she annex? could we annex? could you annex? could they annex?	could I be annexing? could you be annexing? could she be annexing? could we be annexing? could you be annexing? could they be annexing?
Perfect	V-ing perfect
could I have annexed? could you have annexed? could she have annexed? could we have annexed? could you have annexed? could they have annexed?	could I have been annexing? could you have been annexing? could she have been annexing? could we have been annexing? could you have been annexing? could they have been annexing?

Interro-negative form

Simple form	V-ing form
could I not annex? could you not annex? could she not annex? could we not annex? could you not annex? could they not annex?	could I not be annexing? could you not be annexing? could she not be annexing? could we not be annexing? could you not be annexing? could they not be annexing?
Perfect	V-ing perfect
could I not have annexed? could you not have annexed? could she not have annexed? could we not have annexed? could you not have annexed? could they not have annexed?	could I not have been annexing? could you not have been annexing? could she not have been annexing? could we not have been annexing? could you not have been annexing? could they not have been annexing?