English verb conjugation
SHOULD DEVISE

Regular verb: devise - devised - devised

Affirmation

Simple form	V-ing form
I'd devise you'd devise he'd devise we'd devise you'd devise they'd devise	I'd be devising you'd be devising he'd be devising we'd be devising you'd be devising they'd be devising
Perfect	V-ing perfect
I should've devised you should've devised he should've devised we should've devised you should've devised they should've devised	I should've been devising you should've been devising he should've been devising we should've been devising you should've been devising they should've been devising

Negation

Simple form	V-ing form
I shouldn't devise you shouldn't devise he shouldn't devise we shouldn't devise you shouldn't devise they shouldn't devise	I shouldn't be devising you shouldn't be devising he shouldn't be devising we shouldn't be devising you shouldn't be devising they shouldn't be devising
Perfect	V-ing perfect
I shouldn't have devised you shouldn't have devised he shouldn't have devised we shouldn't have devised you shouldn't have devised they shouldn't have devised	I shouldn't have been devising you shouldn't have been devising he shouldn't have been devising we shouldn't have been devising you shouldn't have been devising they shouldn't have been devising

Interrogative form

Simple form	V-ing form
should I devise? should you devise? should he devise? should we devise? should you devise? should they devise?	should I be devising? should you be devising? should he be devising? should we be devising? should you be devising? should they be devising?
Perfect	V-ing perfect
should I have devised? should you have devised? should he have devised? should we have devised? should you have devised? should they have devised?	should I have been devising? should you have been devising? should he have been devising? should we have been devising? should you have been devising? should they have been devising?

Interro-negative form

Simple form	V-ing form
shouldn't I devise? shouldn't you devise? shouldn't he devise? shouldn't we devise? shouldn't you devise? shouldn't they devise?	shouldn't I be devising? shouldn't you be devising? shouldn't he be devising? shouldn't we be devising? shouldn't you be devising? shouldn't they be devising?
Perfect	V-ing perfect
shouldn't I have devised? shouldn't you have devised? shouldn't he have devised? shouldn't we have devised? shouldn't you have devised? shouldn't they have devised?	shouldn't I have been devising? shouldn't you have been devising? shouldn't he have been devising? shouldn't we have been devising? shouldn't you have been devising? shouldn't they have been devising?