can spec
Verbo regular: spec - speced- speced

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can spec
you can spec
she can spec
we can spec
you can spec
they can spec 	I can be specing
you can be specing
she can be specing
we can be specing
you can be specing
they can be specing	I can have speced
you can have speced
she can have speced
we can have speced
you can have speced
they can have speced	I can have been specing
you can have been specing
she can have been specing
we can have been specing
you can have been specing
they can have been specing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot spec
you cannot spec
she cannot spec
we cannot spec
you cannot spec
they cannot spec 	I cannot be specing
you cannot be specing
she cannot be specing
we cannot be specing
you cannot be specing
they cannot be specing	I cannot have speced
you cannot have speced
she cannot have speced
we cannot have speced
you cannot have speced
they cannot have speced	I cannot have been specing
you cannot have been specing
she cannot have been specing
we cannot have been specing
you cannot have been specing
they cannot have been specing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I spec?
can you spec?
can she spec?
can we spec?
can you spec?
can they spec? 	can I be specing?
can you be specing?
can she be specing?
can we be specing?
can you be specing?
can they be specing? 	can I have speced?
can you have speced?
can she have speced?
can we have speced?
can you have speced?
can they have speced? 	can I have been specing?
can you have been specing?
can she have been specing?
can we have been specing?
can you have been specing?
can they have been specing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not spec?
can you not spec?
can she not spec?
can we not spec?
can you not spec?
can they not spec? 	can I not be specing?
can you not be specing?
can she not be specing?
can we not be specing?
can you not be specing?
can they not be specing? 	can I not have speced?
can you not have speced?
can she not have speced?
can we not have speced?
can you not have speced?
can they not have speced? 	can I not have been specing?
can you not have been specing?
can she not have been specing?
can we not have been specing?
can you not have been specing?
can they not have been specing?