English verb conjugation
SHOULD TWITTER

Regular verb: twitter - twittered - twittered

Affirmation

Simple form	V-ing form
I'd twitter you'd twitter he'd twitter we'd twitter you'd twitter they'd twitter	I'd be twittering you'd be twittering he'd be twittering we'd be twittering you'd be twittering they'd be twittering
Perfect	V-ing perfect
I should've twittered you should've twittered he should've twittered we should've twittered you should've twittered they should've twittered	I should've been twittering you should've been twittering he should've been twittering we should've been twittering you should've been twittering they should've been twittering

Negation

Simple form	V-ing form
I shouldn't twitter you shouldn't twitter he shouldn't twitter we shouldn't twitter you shouldn't twitter they shouldn't twitter	I shouldn't be twittering you shouldn't be twittering he shouldn't be twittering we shouldn't be twittering you shouldn't be twittering they shouldn't be twittering
Perfect	V-ing perfect
I shouldn't have twittered you shouldn't have twittered he shouldn't have twittered we shouldn't have twittered you shouldn't have twittered they shouldn't have twittered	I shouldn't have been twittering you shouldn't have been twittering he shouldn't have been twittering we shouldn't have been twittering you shouldn't have been twittering they shouldn't have been twittering

Interrogative form

Simple form	V-ing form
should I twitter? should you twitter? should he twitter? should we twitter? should you twitter? should they twitter?	should I be twittering? should you be twittering? should he be twittering? should we be twittering? should you be twittering? should they be twittering?
Perfect	V-ing perfect
should I have twittered? should you have twittered? should he have twittered? should we have twittered? should you have twittered? should they have twittered?	should I have been twittering? should you have been twittering? should he have been twittering? should we have been twittering? should you have been twittering? should they have been twittering?

Interro-negative form

Simple form	V-ing form
shouldn't I twitter? shouldn't you twitter? shouldn't he twitter? shouldn't we twitter? shouldn't you twitter? shouldn't they twitter?	shouldn't I be twittering? shouldn't you be twittering? shouldn't he be twittering? shouldn't we be twittering? shouldn't you be twittering? shouldn't they be twittering?
Perfect	V-ing perfect
shouldn't I have twittered? shouldn't you have twittered? shouldn't he have twittered? shouldn't we have twittered? shouldn't you have twittered? shouldn't they have twittered?	shouldn't I have been twittering? shouldn't you have been twittering? shouldn't he have been twittering? shouldn't we have been twittering? shouldn't you have been twittering? shouldn't they have been twittering?