English verb conjugation
CAN COIN

Regular verb: coin - coined - coined

Affirmation

Simple form	V-ing form
I can coin you can coin he can coin we can coin you can coin they can coin	I can be coining you can be coining he can be coining we can be coining you can be coining they can be coining
Perfect	V-ing perfect
I can have coined you can have coined he can have coined we can have coined you can have coined they can have coined	I can have been coining you can have been coining he can have been coining we can have been coining you can have been coining they can have been coining

Negation

Simple form	V-ing form
I cannot coin you cannot coin he cannot coin we cannot coin you cannot coin they cannot coin	I cannot be coining you cannot be coining he cannot be coining we cannot be coining you cannot be coining they cannot be coining
Perfect	V-ing perfect
I cannot have coined you cannot have coined he cannot have coined we cannot have coined you cannot have coined they cannot have coined	I cannot have been coining you cannot have been coining he cannot have been coining we cannot have been coining you cannot have been coining they cannot have been coining

Interrogative form

Simple form	V-ing form
can I coin? can you coin? can he coin? can we coin? can you coin? can they coin?	can I be coining? can you be coining? can he be coining? can we be coining? can you be coining? can they be coining?
Perfect	V-ing perfect
can I have coined? can you have coined? can he have coined? can we have coined? can you have coined? can they have coined?	can I have been coining? can you have been coining? can he have been coining? can we have been coining? can you have been coining? can they have been coining?

Interro-negative form

Simple form	V-ing form
can I not coin? can you not coin? can he not coin? can we not coin? can you not coin? can they not coin?	can I not be coining? can you not be coining? can he not be coining? can we not be coining? can you not be coining? can they not be coining?
Perfect	V-ing perfect
can I not have coined? can you not have coined? can he not have coined? can we not have coined? can you not have coined? can they not have coined?	can I not have been coining? can you not have been coining? can he not have been coining? can we not have been coining? can you not have been coining? can they not have been coining?