English verb conjugation
SHOULD IMPROVISE

Regular verb: improvise - improvised - improvised

Affirmation

Simple form	V-ing form
I'd improvise you'd improvise he'd improvise we'd improvise you'd improvise they'd improvise	I'd be improvising you'd be improvising he'd be improvising we'd be improvising you'd be improvising they'd be improvising
Perfect	V-ing perfect
I should've improvised you should've improvised he should've improvised we should've improvised you should've improvised they should've improvised	I should've been improvising you should've been improvising he should've been improvising we should've been improvising you should've been improvising they should've been improvising

Negation

Simple form	V-ing form
I shouldn't improvise you shouldn't improvise he shouldn't improvise we shouldn't improvise you shouldn't improvise they shouldn't improvise	I shouldn't be improvising you shouldn't be improvising he shouldn't be improvising we shouldn't be improvising you shouldn't be improvising they shouldn't be improvising
Perfect	V-ing perfect
I shouldn't have improvised you shouldn't have improvised he shouldn't have improvised we shouldn't have improvised you shouldn't have improvised they shouldn't have improvised	I shouldn't have been improvising you shouldn't have been improvising he shouldn't have been improvising we shouldn't have been improvising you shouldn't have been improvising they shouldn't have been improvising

Interrogative form

Simple form	V-ing form
should I improvise? should you improvise? should he improvise? should we improvise? should you improvise? should they improvise?	should I be improvising? should you be improvising? should he be improvising? should we be improvising? should you be improvising? should they be improvising?
Perfect	V-ing perfect
should I have improvised? should you have improvised? should he have improvised? should we have improvised? should you have improvised? should they have improvised?	should I have been improvising? should you have been improvising? should he have been improvising? should we have been improvising? should you have been improvising? should they have been improvising?

Interro-negative form

Simple form	V-ing form
shouldn't I improvise? shouldn't you improvise? shouldn't he improvise? shouldn't we improvise? shouldn't you improvise? shouldn't they improvise?	shouldn't I be improvising? shouldn't you be improvising? shouldn't he be improvising? shouldn't we be improvising? shouldn't you be improvising? shouldn't they be improvising?
Perfect	V-ing perfect
shouldn't I have improvised? shouldn't you have improvised? shouldn't he have improvised? shouldn't we have improvised? shouldn't you have improvised? shouldn't they have improvised?	shouldn't I have been improvising? shouldn't you have been improvising? shouldn't he have been improvising? shouldn't we have been improvising? shouldn't you have been improvising? shouldn't they have been improvising?