English verb conjugation
CAN OVERREFINE

Regular verb: overrefine - overrefined - overrefined

Affirmation

Simple form	V-ing form
I can overrefine you can overrefine he can overrefine we can overrefine you can overrefine they can overrefine	I can be overrefining you can be overrefining he can be overrefining we can be overrefining you can be overrefining they can be overrefining
Perfect	V-ing perfect
I can have overrefined you can have overrefined he can have overrefined we can have overrefined you can have overrefined they can have overrefined	I can have been overrefining you can have been overrefining he can have been overrefining we can have been overrefining you can have been overrefining they can have been overrefining

Negation

Simple form	V-ing form
I cannot overrefine you cannot overrefine he cannot overrefine we cannot overrefine you cannot overrefine they cannot overrefine	I cannot be overrefining you cannot be overrefining he cannot be overrefining we cannot be overrefining you cannot be overrefining they cannot be overrefining
Perfect	V-ing perfect
I cannot have overrefined you cannot have overrefined he cannot have overrefined we cannot have overrefined you cannot have overrefined they cannot have overrefined	I cannot have been overrefining you cannot have been overrefining he cannot have been overrefining we cannot have been overrefining you cannot have been overrefining they cannot have been overrefining

Interrogative form

Simple form	V-ing form
can I overrefine? can you overrefine? can he overrefine? can we overrefine? can you overrefine? can they overrefine?	can I be overrefining? can you be overrefining? can he be overrefining? can we be overrefining? can you be overrefining? can they be overrefining?
Perfect	V-ing perfect
can I have overrefined? can you have overrefined? can he have overrefined? can we have overrefined? can you have overrefined? can they have overrefined?	can I have been overrefining? can you have been overrefining? can he have been overrefining? can we have been overrefining? can you have been overrefining? can they have been overrefining?

Interro-negative form

Simple form	V-ing form
can I not overrefine? can you not overrefine? can he not overrefine? can we not overrefine? can you not overrefine? can they not overrefine?	can I not be overrefining? can you not be overrefining? can he not be overrefining? can we not be overrefining? can you not be overrefining? can they not be overrefining?
Perfect	V-ing perfect
can I not have overrefined? can you not have overrefined? can he not have overrefined? can we not have overrefined? can you not have overrefined? can they not have overrefined?	can I not have been overrefining? can you not have been overrefining? can he not have been overrefining? can we not have been overrefining? can you not have been overrefining? can they not have been overrefining?