can stress
Verbo regular: stress - stressed- stressed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can stress
you can stress
she can stress
we can stress
you can stress
they can stress 	I can be stressing
you can be stressing
she can be stressing
we can be stressing
you can be stressing
they can be stressing	I can have stressed
you can have stressed
she can have stressed
we can have stressed
you can have stressed
they can have stressed	I can have been stressing
you can have been stressing
she can have been stressing
we can have been stressing
you can have been stressing
they can have been stressing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot stress
you cannot stress
she cannot stress
we cannot stress
you cannot stress
they cannot stress 	I cannot be stressing
you cannot be stressing
she cannot be stressing
we cannot be stressing
you cannot be stressing
they cannot be stressing	I cannot have stressed
you cannot have stressed
she cannot have stressed
we cannot have stressed
you cannot have stressed
they cannot have stressed	I cannot have been stressing
you cannot have been stressing
she cannot have been stressing
we cannot have been stressing
you cannot have been stressing
they cannot have been stressing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I stress?
can you stress?
can she stress?
can we stress?
can you stress?
can they stress? 	can I be stressing?
can you be stressing?
can she be stressing?
can we be stressing?
can you be stressing?
can they be stressing? 	can I have stressed?
can you have stressed?
can she have stressed?
can we have stressed?
can you have stressed?
can they have stressed? 	can I have been stressing?
can you have been stressing?
can she have been stressing?
can we have been stressing?
can you have been stressing?
can they have been stressing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not stress?
can you not stress?
can she not stress?
can we not stress?
can you not stress?
can they not stress? 	can I not be stressing?
can you not be stressing?
can she not be stressing?
can we not be stressing?
can you not be stressing?
can they not be stressing? 	can I not have stressed?
can you not have stressed?
can she not have stressed?
can we not have stressed?
can you not have stressed?
can they not have stressed? 	can I not have been stressing?
can you not have been stressing?
can she not have been stressing?
can we not have been stressing?
can you not have been stressing?
can they not have been stressing?