could tweet
Verbo regular: tweet - tweeted- tweeted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could tweet
you could tweet
he could tweet
we could tweet
you could tweet
they could tweet 	I could be tweeting
you could be tweeting
he could be tweeting
we could be tweeting
you could be tweeting
they could be tweeting	I could have tweeted
you could have tweeted
he could have tweeted
we could have tweeted
you could have tweeted
they could have tweeted	I could have been tweeting
you could have been tweeting
he could have been tweeting
we could have been tweeting
you could have been tweeting
they could have been tweeting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't tweet
you couldn't tweet
he couldn't tweet
we couldn't tweet
you couldn't tweet
they couldn't tweet 	I couldn't be tweeting
you couldn't be tweeting
he couldn't be tweeting
we couldn't be tweeting
you couldn't be tweeting
they couldn't be tweeting	I couldn't have tweeted
you couldn't have tweeted
he couldn't have tweeted
we couldn't have tweeted
you couldn't have tweeted
they couldn't have tweeted	I couldn't have been tweeting
you couldn't have been tweeting
he couldn't have been tweeting
we couldn't have been tweeting
you couldn't have been tweeting
they couldn't have been tweeting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I tweet?
could you tweet?
could he tweet?
could we tweet?
could you tweet?
could they tweet? 	could I be tweeting?
could you be tweeting?
could he be tweeting?
could we be tweeting?
could you be tweeting?
could they be tweeting? 	could I have tweeted?
could you have tweeted?
could he have tweeted?
could we have tweeted?
could you have tweeted?
could they have tweeted? 	could I have been tweeting?
could you have been tweeting?
could he have been tweeting?
could we have been tweeting?
could you have been tweeting?
could they have been tweeting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I tweet?
couldn't you tweet?
couldn't he tweet?
couldn't we tweet?
couldn't you tweet?
couldn't they tweet? 	couldn't I be tweeting?
couldn't you be tweeting?
couldn't he be tweeting?
couldn't we be tweeting?
couldn't you be tweeting?
couldn't they be tweeting? 	couldn't I have tweeted?
couldn't you have tweeted?
couldn't he have tweeted?
couldn't we have tweeted?
couldn't you have tweeted?
couldn't they have tweeted? 	couldn't I have been tweeting?
couldn't you have been tweeting?
couldn't he have been tweeting?
couldn't we have been tweeting?
couldn't you have been tweeting?
couldn't they have been tweeting?