English verb conjugation
COULD UNITE

Regular verb: unite - united - united

Affirmation

Simple form	V-ing form
I could unite you could unite she could unite we could unite you could unite they could unite	I could be uniting you could be uniting she could be uniting we could be uniting you could be uniting they could be uniting
Perfect	V-ing perfect
I could have united you could have united she could have united we could have united you could have united they could have united	I could have been uniting you could have been uniting she could have been uniting we could have been uniting you could have been uniting they could have been uniting

Negation

Simple form	V-ing form
I couldn't unite you couldn't unite she couldn't unite we couldn't unite you couldn't unite they couldn't unite	I couldn't be uniting you couldn't be uniting she couldn't be uniting we couldn't be uniting you couldn't be uniting they couldn't be uniting
Perfect	V-ing perfect
I couldn't have united you couldn't have united she couldn't have united we couldn't have united you couldn't have united they couldn't have united	I couldn't have been uniting you couldn't have been uniting she couldn't have been uniting we couldn't have been uniting you couldn't have been uniting they couldn't have been uniting

Interrogative form

Simple form	V-ing form
could I unite? could you unite? could she unite? could we unite? could you unite? could they unite?	could I be uniting? could you be uniting? could she be uniting? could we be uniting? could you be uniting? could they be uniting?
Perfect	V-ing perfect
could I have united? could you have united? could she have united? could we have united? could you have united? could they have united?	could I have been uniting? could you have been uniting? could she have been uniting? could we have been uniting? could you have been uniting? could they have been uniting?

Interro-negative form

Simple form	V-ing form
couldn't I unite? couldn't you unite? couldn't she unite? couldn't we unite? couldn't you unite? couldn't they unite?	couldn't I be uniting? couldn't you be uniting? couldn't she be uniting? couldn't we be uniting? couldn't you be uniting? couldn't they be uniting?
Perfect	V-ing perfect
couldn't I have united? couldn't you have united? couldn't she have united? couldn't we have united? couldn't you have united? couldn't they have united?	couldn't I have been uniting? couldn't you have been uniting? couldn't she have been uniting? couldn't we have been uniting? couldn't you have been uniting? couldn't they have been uniting?