Conjugación del verbo inglés
COULD TWITCH

Verbo regular: twitch - twitched - twitched

Afirmación

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

Negación

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

Forma interrogativa

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

Forma interro-negativa

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