English verb conjugation
CAN GEM

Regular verb: gem - gemed - gemed

Affirmation

Simple form	V-ing form
I can gem you can gem she can gem we can gem you can gem they can gem	I can be geming you can be geming she can be geming we can be geming you can be geming they can be geming
Perfect	V-ing perfect
I can have gemed you can have gemed she can have gemed we can have gemed you can have gemed they can have gemed	I can have been geming you can have been geming she can have been geming we can have been geming you can have been geming they can have been geming

Negation

Simple form	V-ing form
I cannot gem you cannot gem she cannot gem we cannot gem you cannot gem they cannot gem	I cannot be geming you cannot be geming she cannot be geming we cannot be geming you cannot be geming they cannot be geming
Perfect	V-ing perfect
I cannot have gemed you cannot have gemed she cannot have gemed we cannot have gemed you cannot have gemed they cannot have gemed	I cannot have been geming you cannot have been geming she cannot have been geming we cannot have been geming you cannot have been geming they cannot have been geming

Interrogative form

Simple form	V-ing form
can I gem? can you gem? can she gem? can we gem? can you gem? can they gem?	can I be geming? can you be geming? can she be geming? can we be geming? can you be geming? can they be geming?
Perfect	V-ing perfect
can I have gemed? can you have gemed? can she have gemed? can we have gemed? can you have gemed? can they have gemed?	can I have been geming? can you have been geming? can she have been geming? can we have been geming? can you have been geming? can they have been geming?

Interro-negative form

Simple form	V-ing form
can I not gem? can you not gem? can she not gem? can we not gem? can you not gem? can they not gem?	can I not be geming? can you not be geming? can she not be geming? can we not be geming? can you not be geming? can they not be geming?
Perfect	V-ing perfect
can I not have gemed? can you not have gemed? can she not have gemed? can we not have gemed? can you not have gemed? can they not have gemed?	can I not have been geming? can you not have been geming? can she not have been geming? can we not have been geming? can you not have been geming? can they not have been geming?