English verb conjugation
CAN SPAM

Regular verb: spam - spamed - spamed

Affirmation

Simple form	V-ing form
I can spam you can spam he can spam we can spam you can spam they can spam	I can be spaming you can be spaming he can be spaming we can be spaming you can be spaming they can be spaming
Perfect	V-ing perfect
I can have spamed you can have spamed he can have spamed we can have spamed you can have spamed they can have spamed	I can have been spaming you can have been spaming he can have been spaming we can have been spaming you can have been spaming they can have been spaming

Negation

Simple form	V-ing form
I cannot spam you cannot spam he cannot spam we cannot spam you cannot spam they cannot spam	I cannot be spaming you cannot be spaming he cannot be spaming we cannot be spaming you cannot be spaming they cannot be spaming
Perfect	V-ing perfect
I cannot have spamed you cannot have spamed he cannot have spamed we cannot have spamed you cannot have spamed they cannot have spamed	I cannot have been spaming you cannot have been spaming he cannot have been spaming we cannot have been spaming you cannot have been spaming they cannot have been spaming

Interrogative form

Simple form	V-ing form
can I spam? can you spam? can he spam? can we spam? can you spam? can they spam?	can I be spaming? can you be spaming? can he be spaming? can we be spaming? can you be spaming? can they be spaming?
Perfect	V-ing perfect
can I have spamed? can you have spamed? can he have spamed? can we have spamed? can you have spamed? can they have spamed?	can I have been spaming? can you have been spaming? can he have been spaming? can we have been spaming? can you have been spaming? can they have been spaming?

Interro-negative form

Simple form	V-ing form
can I not spam? can you not spam? can he not spam? can we not spam? can you not spam? can they not spam?	can I not be spaming? can you not be spaming? can he not be spaming? can we not be spaming? can you not be spaming? can they not be spaming?
Perfect	V-ing perfect
can I not have spamed? can you not have spamed? can he not have spamed? can we not have spamed? can you not have spamed? can they not have spamed?	can I not have been spaming? can you not have been spaming? can he not have been spaming? can we not have been spaming? can you not have been spaming? can they not have been spaming?