can assist
Verbo regular: assist - assisted- assisted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can assist
you can assist
he can assist
we can assist
you can assist
they can assist 	I can be assisting
you can be assisting
he can be assisting
we can be assisting
you can be assisting
they can be assisting	I can have assisted
you can have assisted
he can have assisted
we can have assisted
you can have assisted
they can have assisted	I can have been assisting
you can have been assisting
he can have been assisting
we can have been assisting
you can have been assisting
they can have been assisting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I cannot assist
you cannot assist
he cannot assist
we cannot assist
you cannot assist
they cannot assist 	I cannot be assisting
you cannot be assisting
he cannot be assisting
we cannot be assisting
you cannot be assisting
they cannot be assisting	I cannot have assisted
you cannot have assisted
he cannot have assisted
we cannot have assisted
you cannot have assisted
they cannot have assisted	I cannot have been assisting
you cannot have been assisting
he cannot have been assisting
we cannot have been assisting
you cannot have been assisting
they cannot have been assisting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I assist?
can you assist?
can he assist?
can we assist?
can you assist?
can they assist? 	can I be assisting?
can you be assisting?
can he be assisting?
can we be assisting?
can you be assisting?
can they be assisting? 	can I have assisted?
can you have assisted?
can he have assisted?
can we have assisted?
can you have assisted?
can they have assisted? 	can I have been assisting?
can you have been assisting?
can he have been assisting?
can we have been assisting?
can you have been assisting?
can they have been assisting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I not assist?
can you not assist?
can he not assist?
can we not assist?
can you not assist?
can they not assist? 	can I not be assisting?
can you not be assisting?
can he not be assisting?
can we not be assisting?
can you not be assisting?
can they not be assisting? 	can I not have assisted?
can you not have assisted?
can he not have assisted?
can we not have assisted?
can you not have assisted?
can they not have assisted? 	can I not have been assisting?
can you not have been assisting?
can he not have been assisting?
can we not have been assisting?
can you not have been assisting?
can they not have been assisting?