English verb conjugation
CAN GRAMMAR

Regular verb: grammar - grammared - grammared

Warning, this verb may not exist. Conjugation is given as example.

Affirmation

Simple form	V-ing form
I can grammar you can grammar she can grammar we can grammar you can grammar they can grammar	I can be grammaring you can be grammaring she can be grammaring we can be grammaring you can be grammaring they can be grammaring
Perfect	V-ing perfect
I can have grammared you can have grammared she can have grammared we can have grammared you can have grammared they can have grammared	I can have been grammaring you can have been grammaring she can have been grammaring we can have been grammaring you can have been grammaring they can have been grammaring

Negation

Simple form	V-ing form
I cannot grammar you cannot grammar she cannot grammar we cannot grammar you cannot grammar they cannot grammar	I cannot be grammaring you cannot be grammaring she cannot be grammaring we cannot be grammaring you cannot be grammaring they cannot be grammaring
Perfect	V-ing perfect
I cannot have grammared you cannot have grammared she cannot have grammared we cannot have grammared you cannot have grammared they cannot have grammared	I cannot have been grammaring you cannot have been grammaring she cannot have been grammaring we cannot have been grammaring you cannot have been grammaring they cannot have been grammaring

Interrogative form

Simple form	V-ing form
can I grammar? can you grammar? can she grammar? can we grammar? can you grammar? can they grammar?	can I be grammaring? can you be grammaring? can she be grammaring? can we be grammaring? can you be grammaring? can they be grammaring?
Perfect	V-ing perfect
can I have grammared? can you have grammared? can she have grammared? can we have grammared? can you have grammared? can they have grammared?	can I have been grammaring? can you have been grammaring? can she have been grammaring? can we have been grammaring? can you have been grammaring? can they have been grammaring?

Interro-negative form

Simple form	V-ing form
can I not grammar? can you not grammar? can she not grammar? can we not grammar? can you not grammar? can they not grammar?	can I not be grammaring? can you not be grammaring? can she not be grammaring? can we not be grammaring? can you not be grammaring? can they not be grammaring?
Perfect	V-ing perfect
can I not have grammared? can you not have grammared? can she not have grammared? can we not have grammared? can you not have grammared? can they not have grammared?	can I not have been grammaring? can you not have been grammaring? can she not have been grammaring? can we not have been grammaring? can you not have been grammaring? can they not have been grammaring?