English verb conjugation
SHOULD TWITCH

Regular verb: twitch - twitched - twitched

Affirmation

Simple form	V-ing form
I'd twitch you'd twitch he'd twitch we'd twitch you'd twitch they'd twitch	I'd be twitching you'd be twitching he'd be twitching we'd be twitching you'd be twitching they'd be twitching
Perfect	V-ing perfect
I should've twitched you should've twitched he should've twitched we should've twitched you should've twitched they should've twitched	I should've been twitching you should've been twitching he should've been twitching we should've been twitching you should've been twitching they should've been twitching

Negation

Simple form	V-ing form
I shouldn't twitch you shouldn't twitch he shouldn't twitch we shouldn't twitch you shouldn't twitch they shouldn't twitch	I shouldn't be twitching you shouldn't be twitching he shouldn't be twitching we shouldn't be twitching you shouldn't be twitching they shouldn't be twitching
Perfect	V-ing perfect
I shouldn't have twitched you shouldn't have twitched he shouldn't have twitched we shouldn't have twitched you shouldn't have twitched they shouldn't have twitched	I shouldn't have been twitching you shouldn't have been twitching he shouldn't have been twitching we shouldn't have been twitching you shouldn't have been twitching they shouldn't have been twitching

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
shouldn't I twitch? shouldn't you twitch? shouldn't he twitch? shouldn't we twitch? shouldn't you twitch? shouldn't they twitch?	shouldn't I be twitching? shouldn't you be twitching? shouldn't he be twitching? shouldn't we be twitching? shouldn't you be twitching? shouldn't they be twitching?
Perfect	V-ing perfect
shouldn't I have twitched? shouldn't you have twitched? shouldn't he have twitched? shouldn't we have twitched? shouldn't you have twitched? shouldn't they have twitched?	shouldn't I have been twitching? shouldn't you have been twitching? shouldn't he have been twitching? shouldn't we have been twitching? shouldn't you have been twitching? shouldn't they have been twitching?