English verb conjugation
SHOULD TWITTER

Regular verb: twitter - twittered - twittered

Affirmation

Simple form	V-ing form
I'd twitter you'd twitter she'd twitter we'd twitter you'd twitter they'd twitter	I'd be twittering you'd be twittering she'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 she 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 she 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 she 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 she 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 she 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 she 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 she twitter? should we twitter? should you twitter? should they twitter?	should I be twittering? should you be twittering? should she 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 she 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 she 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 she 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 she 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 she 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 she have been twittering? shouldn't we have been twittering? shouldn't you have been twittering? shouldn't they have been twittering?