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
he can spec
we can spec
you can spec
they can spec 	I can be specing
you can be specing
he can be specing
we can be specing
you can be specing
they can be specing	I can have speced
you can have speced
he 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
he 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 can't spec
you can't spec
he can't spec
we can't spec
you can't spec
they can't spec 	I can't be specing
you can't be specing
he can't be specing
we can't be specing
you can't be specing
they can't be specing	I can't have speced
you can't have speced
he can't have speced
we can't have speced
you can't have speced
they can't have speced	I can't have been specing
you can't have been specing
he can't have been specing
we can't have been specing
you can't have been specing
they can't have been specing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I spec?
can you spec?
can he spec?
can we spec?
can you spec?
can they spec? 	can I be specing?
can you be specing?
can he be specing?
can we be specing?
can you be specing?
can they be specing? 	can I have speced?
can you have speced?
can he 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 he 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't I spec?
can't you spec?
can't he spec?
can't we spec?
can't you spec?
can't they spec? 	can't I be specing?
can't you be specing?
can't he be specing?
can't we be specing?
can't you be specing?
can't they be specing? 	can't I have speced?
can't you have speced?
can't he have speced?
can't we have speced?
can't you have speced?
can't they have speced? 	can't I have been specing?
can't you have been specing?
can't he have been specing?
can't we have been specing?
can't you have been specing?
can't they have been specing?