can grammar
Verbo regular: grammar - grammared- grammared

ón, este verbo puede no existir, se da como ejemplo la conjugación.

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can grammar
you can grammar
he can grammar
we can grammar
you can grammar
they can grammar 	I can be grammaring
you can be grammaring
he can be grammaring
we can be grammaring
you can be grammaring
they can be grammaring	I can have grammared
you can have grammared
he 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
he can have been grammaring
we can have been grammaring
you can have been grammaring
they can have been grammaring	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't grammar
you can't grammar
he can't grammar
we can't grammar
you can't grammar
they can't grammar 	I can't be grammaring
you can't be grammaring
he can't be grammaring
we can't be grammaring
you can't be grammaring
they can't be grammaring	I can't have grammared
you can't have grammared
he can't have grammared
we can't have grammared
you can't have grammared
they can't have grammared	I can't have been grammaring
you can't have been grammaring
he can't have been grammaring
we can't have been grammaring
you can't have been grammaring
they can't have been grammaring	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I grammar?
can you grammar?
can he grammar?
can we grammar?
can you grammar?
can they grammar? 	can I be grammaring?
can you be grammaring?
can he be grammaring?
can we be grammaring?
can you be grammaring?
can they be grammaring? 	can I have grammared?
can you have grammared?
can he 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 he have been grammaring?
can we have been grammaring?
can you have been grammaring?
can they have been grammaring? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I grammar?
can't you grammar?
can't he grammar?
can't we grammar?
can't you grammar?
can't they grammar? 	can't I be grammaring?
can't you be grammaring?
can't he be grammaring?
can't we be grammaring?
can't you be grammaring?
can't they be grammaring? 	can't I have grammared?
can't you have grammared?
can't he have grammared?
can't we have grammared?
can't you have grammared?
can't they have grammared? 	can't I have been grammaring?
can't you have been grammaring?
can't he have been grammaring?
can't we have been grammaring?
can't you have been grammaring?
can't they have been grammaring?