can add
Verbo regular: add - added- added

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can add
you can add
he can add
we can add
you can add
they can add 	I can be adding
you can be adding
he can be adding
we can be adding
you can be adding
they can be adding	I can have added
you can have added
he can have added
we can have added
you can have added
they can have added	I can have been adding
you can have been adding
he can have been adding
we can have been adding
you can have been adding
they can have been adding	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't add
you can't add
he can't add
we can't add
you can't add
they can't add 	I can't be adding
you can't be adding
he can't be adding
we can't be adding
you can't be adding
they can't be adding	I can't have added
you can't have added
he can't have added
we can't have added
you can't have added
they can't have added	I can't have been adding
you can't have been adding
he can't have been adding
we can't have been adding
you can't have been adding
they can't have been adding	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I add?
can you add?
can he add?
can we add?
can you add?
can they add? 	can I be adding?
can you be adding?
can he be adding?
can we be adding?
can you be adding?
can they be adding? 	can I have added?
can you have added?
can he have added?
can we have added?
can you have added?
can they have added? 	can I have been adding?
can you have been adding?
can he have been adding?
can we have been adding?
can you have been adding?
can they have been adding? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I add?
can't you add?
can't he add?
can't we add?
can't you add?
can't they add? 	can't I be adding?
can't you be adding?
can't he be adding?
can't we be adding?
can't you be adding?
can't they be adding? 	can't I have added?
can't you have added?
can't he have added?
can't we have added?
can't you have added?
can't they have added? 	can't I have been adding?
can't you have been adding?
can't he have been adding?
can't we have been adding?
can't you have been adding?
can't they have been adding?