English verb conjugation
SHOULD CONCERTISE

Regular verb: concertise - concertised - concertised

Affirmation

Simple form	V-ing form
I'd concertise you'd concertise he'd concertise we'd concertise you'd concertise they'd concertise	I'd be concertising you'd be concertising he'd be concertising we'd be concertising you'd be concertising they'd be concertising
Perfect	V-ing perfect
I should've concertised you should've concertised he should've concertised we should've concertised you should've concertised they should've concertised	I should've been concertising you should've been concertising he should've been concertising we should've been concertising you should've been concertising they should've been concertising

Negation

Simple form	V-ing form
I shouldn't concertise you shouldn't concertise he shouldn't concertise we shouldn't concertise you shouldn't concertise they shouldn't concertise	I shouldn't be concertising you shouldn't be concertising he shouldn't be concertising we shouldn't be concertising you shouldn't be concertising they shouldn't be concertising
Perfect	V-ing perfect
I shouldn't have concertised you shouldn't have concertised he shouldn't have concertised we shouldn't have concertised you shouldn't have concertised they shouldn't have concertised	I shouldn't have been concertising you shouldn't have been concertising he shouldn't have been concertising we shouldn't have been concertising you shouldn't have been concertising they shouldn't have been concertising

Interrogative form

Simple form	V-ing form
should I concertise? should you concertise? should he concertise? should we concertise? should you concertise? should they concertise?	should I be concertising? should you be concertising? should he be concertising? should we be concertising? should you be concertising? should they be concertising?
Perfect	V-ing perfect
should I have concertised? should you have concertised? should he have concertised? should we have concertised? should you have concertised? should they have concertised?	should I have been concertising? should you have been concertising? should he have been concertising? should we have been concertising? should you have been concertising? should they have been concertising?

Interro-negative form

Simple form	V-ing form
shouldn't I concertise? shouldn't you concertise? shouldn't he concertise? shouldn't we concertise? shouldn't you concertise? shouldn't they concertise?	shouldn't I be concertising? shouldn't you be concertising? shouldn't he be concertising? shouldn't we be concertising? shouldn't you be concertising? shouldn't they be concertising?
Perfect	V-ing perfect
shouldn't I have concertised? shouldn't you have concertised? shouldn't he have concertised? shouldn't we have concertised? shouldn't you have concertised? shouldn't they have concertised?	shouldn't I have been concertising? shouldn't you have been concertising? shouldn't he have been concertising? shouldn't we have been concertising? shouldn't you have been concertising? shouldn't they have been concertising?