can scuba
Verbo regular: scuba - scubaed- scubaed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can scuba
you can scuba
he can scuba
we can scuba
you can scuba
they can scuba 	I can be scubaing
you can be scubaing
he can be scubaing
we can be scubaing
you can be scubaing
they can be scubaing	I can have scubaed
you can have scubaed
he can have scubaed
we can have scubaed
you can have scubaed
they can have scubaed	I can have been scubaing
you can have been scubaing
he can have been scubaing
we can have been scubaing
you can have been scubaing
they can have been scubaing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot scuba
you cannot scuba
he cannot scuba
we cannot scuba
you cannot scuba
they cannot scuba 	I cannot be scubaing
you cannot be scubaing
he cannot be scubaing
we cannot be scubaing
you cannot be scubaing
they cannot be scubaing	I cannot have scubaed
you cannot have scubaed
he cannot have scubaed
we cannot have scubaed
you cannot have scubaed
they cannot have scubaed	I cannot have been scubaing
you cannot have been scubaing
he cannot have been scubaing
we cannot have been scubaing
you cannot have been scubaing
they cannot have been scubaing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I scuba?
can you scuba?
can he scuba?
can we scuba?
can you scuba?
can they scuba? 	can I be scubaing?
can you be scubaing?
can he be scubaing?
can we be scubaing?
can you be scubaing?
can they be scubaing? 	can I have scubaed?
can you have scubaed?
can he have scubaed?
can we have scubaed?
can you have scubaed?
can they have scubaed? 	can I have been scubaing?
can you have been scubaing?
can he have been scubaing?
can we have been scubaing?
can you have been scubaing?
can they have been scubaing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not scuba?
can you not scuba?
can he not scuba?
can we not scuba?
can you not scuba?
can they not scuba? 	can I not be scubaing?
can you not be scubaing?
can he not be scubaing?
can we not be scubaing?
can you not be scubaing?
can they not be scubaing? 	can I not have scubaed?
can you not have scubaed?
can he not have scubaed?
can we not have scubaed?
can you not have scubaed?
can they not have scubaed? 	can I not have been scubaing?
can you not have been scubaing?
can he not have been scubaing?
can we not have been scubaing?
can you not have been scubaing?
can they not have been scubaing?