can chat
Verbo regular: chat - chatted- chatted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can chat
you can chat
she can chat
we can chat
you can chat
they can chat 	I can be chatting
you can be chatting
she can be chatting
we can be chatting
you can be chatting
they can be chatting	I can have chatted
you can have chatted
she can have chatted
we can have chatted
you can have chatted
they can have chatted	I can have been chatting
you can have been chatting
she can have been chatting
we can have been chatting
you can have been chatting
they can have been chatting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I can't chat
you can't chat
she can't chat
we can't chat
you can't chat
they can't chat 	I can't be chatting
you can't be chatting
she can't be chatting
we can't be chatting
you can't be chatting
they can't be chatting	I can't have chatted
you can't have chatted
she can't have chatted
we can't have chatted
you can't have chatted
they can't have chatted	I can't have been chatting
you can't have been chatting
she can't have been chatting
we can't have been chatting
you can't have been chatting
they can't have been chatting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can I chat?
can you chat?
can she chat?
can we chat?
can you chat?
can they chat? 	can I be chatting?
can you be chatting?
can she be chatting?
can we be chatting?
can you be chatting?
can they be chatting? 	can I have chatted?
can you have chatted?
can she have chatted?
can we have chatted?
can you have chatted?
can they have chatted? 	can I have been chatting?
can you have been chatting?
can she have been chatting?
can we have been chatting?
can you have been chatting?
can they have been chatting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
can't I chat?
can't you chat?
can't she chat?
can't we chat?
can't you chat?
can't they chat? 	can't I be chatting?
can't you be chatting?
can't she be chatting?
can't we be chatting?
can't you be chatting?
can't they be chatting? 	can't I have chatted?
can't you have chatted?
can't she have chatted?
can't we have chatted?
can't you have chatted?
can't they have chatted? 	can't I have been chatting?
can't you have been chatting?
can't she have been chatting?
can't we have been chatting?
can't you have been chatting?
can't they have been chatting?