can twitch
Verbo regular: twitch - twitched- twitched

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I can twitch
you can twitch
he can twitch
we can twitch
you can twitch
they can twitch 	I can be twitching
you can be twitching
he can be twitching
we can be twitching
you can be twitching
they can be twitching	I can have twitched
you can have twitched
he can have twitched
we can have twitched
you can have twitched
they can have twitched	I can have been twitching
you can have been twitching
he can have been twitching
we can have been twitching
you can have been twitching
they can have been twitching	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I cannot twitch
you cannot twitch
he cannot twitch
we cannot twitch
you cannot twitch
they cannot twitch 	I cannot be twitching
you cannot be twitching
he cannot be twitching
we cannot be twitching
you cannot be twitching
they cannot be twitching	I cannot have twitched
you cannot have twitched
he cannot have twitched
we cannot have twitched
you cannot have twitched
they cannot have twitched	I cannot have been twitching
you cannot have been twitching
he cannot have been twitching
we cannot have been twitching
you cannot have been twitching
they cannot have been twitching	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I twitch?
can you twitch?
can he twitch?
can we twitch?
can you twitch?
can they twitch? 	can I be twitching?
can you be twitching?
can he be twitching?
can we be twitching?
can you be twitching?
can they be twitching? 	can I have twitched?
can you have twitched?
can he have twitched?
can we have twitched?
can you have twitched?
can they have twitched? 	can I have been twitching?
can you have been twitching?
can he have been twitching?
can we have been twitching?
can you have been twitching?
can they have been twitching? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
can I not twitch?
can you not twitch?
can he not twitch?
can we not twitch?
can you not twitch?
can they not twitch? 	can I not be twitching?
can you not be twitching?
can he not be twitching?
can we not be twitching?
can you not be twitching?
can they not be twitching? 	can I not have twitched?
can you not have twitched?
can he not have twitched?
can we not have twitched?
can you not have twitched?
can they not have twitched? 	can I not have been twitching?
can you not have been twitching?
can he not have been twitching?
can we not have been twitching?
can you not have been twitching?
can they not have been twitching?