should twitch
Verbo regular: twitch - twitched- twitched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should twitch
you should twitch
he should twitch
we should twitch
you should twitch
they should twitch 	I should be twitching
you should be twitching
he should be twitching
we should be twitching
you should be twitching
they should be twitching	I should have twitched
you should have twitched
he should have twitched
we should have twitched
you should have twitched
they should have twitched	I should have been twitching
you should have been twitching
he should have been twitching
we should have been twitching
you should have been twitching
they should have been twitching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I should not twitch
you should not twitch
he should not twitch
we should not twitch
you should not twitch
they should not twitch 	I should not be twitching
you should not be twitching
he should not be twitching
we should not be twitching
you should not be twitching
they should not be twitching	I should not have twitched
you should not have twitched
he should not have twitched
we should not have twitched
you should not have twitched
they should not have twitched	I should not have been twitching
you should not have been twitching
he should not have been twitching
we should not have been twitching
you should not have been twitching
they should not have been twitching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I twitch?
should you twitch?
should he twitch?
should we twitch?
should you twitch?
should they twitch? 	should I be twitching?
should you be twitching?
should he be twitching?
should we be twitching?
should you be twitching?
should they be twitching? 	should I have twitched?
should you have twitched?
should he have twitched?
should we have twitched?
should you have twitched?
should they have twitched? 	should I have been twitching?
should you have been twitching?
should he have been twitching?
should we have been twitching?
should you have been twitching?
should they have been twitching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
should I not twitch?
should you not twitch?
should he not twitch?
should we not twitch?
should you not twitch?
should they not twitch? 	should I not be twitching?
should you not be twitching?
should he not be twitching?
should we not be twitching?
should you not be twitching?
should they not be twitching? 	should I not have twitched?
should you not have twitched?
should he not have twitched?
should we not have twitched?
should you not have twitched?
should they not have twitched? 	should I not have been twitching?
should you not have been twitching?
should he not have been twitching?
should we not have been twitching?
should you not have been twitching?
should they not have been twitching?