English verb conjugation
COULD ANNEX

Regular verb: annex - annexed - annexed

Affirmation

Simple form	V-ing form
I could annex you could annex he could annex we could annex you could annex they could annex	I could be annexing you could be annexing he 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 he 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 he 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 couldn't annex you couldn't annex he couldn't annex we couldn't annex you couldn't annex they couldn't annex	I couldn't be annexing you couldn't be annexing he couldn't be annexing we couldn't be annexing you couldn't be annexing they couldn't be annexing
Perfect	V-ing perfect
I couldn't have annexed you couldn't have annexed he couldn't have annexed we couldn't have annexed you couldn't have annexed they couldn't have annexed	I couldn't have been annexing you couldn't have been annexing he couldn't have been annexing we couldn't have been annexing you couldn't have been annexing they couldn't have been annexing

Interrogative form

Simple form	V-ing form
could I annex? could you annex? could he annex? could we annex? could you annex? could they annex?	could I be annexing? could you be annexing? could he 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 he 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 he 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
couldn't I annex? couldn't you annex? couldn't he annex? couldn't we annex? couldn't you annex? couldn't they annex?	couldn't I be annexing? couldn't you be annexing? couldn't he be annexing? couldn't we be annexing? couldn't you be annexing? couldn't they be annexing?
Perfect	V-ing perfect
couldn't I have annexed? couldn't you have annexed? couldn't he have annexed? couldn't we have annexed? couldn't you have annexed? couldn't they have annexed?	couldn't I have been annexing? couldn't you have been annexing? couldn't he have been annexing? couldn't we have been annexing? couldn't you have been annexing? couldn't they have been annexing?