can twitter
Verbo regular: twitter - twittered- twittered

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can twitter
you can twitter
he can twitter
we can twitter
you can twitter
they can twitter 	I can be twittering
you can be twittering
he can be twittering
we can be twittering
you can be twittering
they can be twittering	I can have twittered
you can have twittered
he can have twittered
we can have twittered
you can have twittered
they can have twittered	I can have been twittering
you can have been twittering
he can have been twittering
we can have been twittering
you can have been twittering
they can have been twittering	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can't twitter
you can't twitter
he can't twitter
we can't twitter
you can't twitter
they can't twitter 	I can't be twittering
you can't be twittering
he can't be twittering
we can't be twittering
you can't be twittering
they can't be twittering	I can't have twittered
you can't have twittered
he can't have twittered
we can't have twittered
you can't have twittered
they can't have twittered	I can't have been twittering
you can't have been twittering
he can't have been twittering
we can't have been twittering
you can't have been twittering
they can't have been twittering	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I twitter?
can you twitter?
can he twitter?
can we twitter?
can you twitter?
can they twitter? 	can I be twittering?
can you be twittering?
can he be twittering?
can we be twittering?
can you be twittering?
can they be twittering? 	can I have twittered?
can you have twittered?
can he have twittered?
can we have twittered?
can you have twittered?
can they have twittered? 	can I have been twittering?
can you have been twittering?
can he have been twittering?
can we have been twittering?
can you have been twittering?
can they have been twittering? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can't I twitter?
can't you twitter?
can't he twitter?
can't we twitter?
can't you twitter?
can't they twitter? 	can't I be twittering?
can't you be twittering?
can't he be twittering?
can't we be twittering?
can't you be twittering?
can't they be twittering? 	can't I have twittered?
can't you have twittered?
can't he have twittered?
can't we have twittered?
can't you have twittered?
can't they have twittered? 	can't I have been twittering?
can't you have been twittering?
can't he have been twittering?
can't we have been twittering?
can't you have been twittering?
can't they have been twittering?