can specialize
Verbo regular: specialize - specialized- specialized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can specialize
you can specialize
he can specialize
we can specialize
you can specialize
they can specialize 	I can be specializing
you can be specializing
he can be specializing
we can be specializing
you can be specializing
they can be specializing	I can have specialized
you can have specialized
he can have specialized
we can have specialized
you can have specialized
they can have specialized	I can have been specializing
you can have been specializing
he can have been specializing
we can have been specializing
you can have been specializing
they can have been specializing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't specialize
you can't specialize
he can't specialize
we can't specialize
you can't specialize
they can't specialize 	I can't be specializing
you can't be specializing
he can't be specializing
we can't be specializing
you can't be specializing
they can't be specializing	I can't have specialized
you can't have specialized
he can't have specialized
we can't have specialized
you can't have specialized
they can't have specialized	I can't have been specializing
you can't have been specializing
he can't have been specializing
we can't have been specializing
you can't have been specializing
they can't have been specializing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I specialize?
can you specialize?
can he specialize?
can we specialize?
can you specialize?
can they specialize? 	can I be specializing?
can you be specializing?
can he be specializing?
can we be specializing?
can you be specializing?
can they be specializing? 	can I have specialized?
can you have specialized?
can he have specialized?
can we have specialized?
can you have specialized?
can they have specialized? 	can I have been specializing?
can you have been specializing?
can he have been specializing?
can we have been specializing?
can you have been specializing?
can they have been specializing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I specialize?
can't you specialize?
can't he specialize?
can't we specialize?
can't you specialize?
can't they specialize? 	can't I be specializing?
can't you be specializing?
can't he be specializing?
can't we be specializing?
can't you be specializing?
can't they be specializing? 	can't I have specialized?
can't you have specialized?
can't he have specialized?
can't we have specialized?
can't you have specialized?
can't they have specialized? 	can't I have been specializing?
can't you have been specializing?
can't he have been specializing?
can't we have been specializing?
can't you have been specializing?
can't they have been specializing?