should engage
Regular verb: engage - engaged- engaged

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd engage
you'd engage
she'd engage
we'd engage
you'd engage
they'd engage 	I'd be engaging
you'd be engaging
she'd be engaging
we'd be engaging
you'd be engaging
they'd be engaging	I should've engaged
you should've engaged
she should've engaged
we should've engaged
you should've engaged
they should've engaged	I should've been engaging
you should've been engaging
she should've been engaging
we should've been engaging
you should've been engaging
they should've been engaging	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't engage
you shouldn't engage
she shouldn't engage
we shouldn't engage
you shouldn't engage
they shouldn't engage 	I shouldn't be engaging
you shouldn't be engaging
she shouldn't be engaging
we shouldn't be engaging
you shouldn't be engaging
they shouldn't be engaging	I shouldn't have engaged
you shouldn't have engaged
she shouldn't have engaged
we shouldn't have engaged
you shouldn't have engaged
they shouldn't have engaged	I shouldn't have been engaging
you shouldn't have been engaging
she shouldn't have been engaging
we shouldn't have been engaging
you shouldn't have been engaging
they shouldn't have been engaging	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I engage?
should you engage?
should she engage?
should we engage?
should you engage?
should they engage? 	should I be engaging?
should you be engaging?
should she be engaging?
should we be engaging?
should you be engaging?
should they be engaging? 	should I have engaged?
should you have engaged?
should she have engaged?
should we have engaged?
should you have engaged?
should they have engaged? 	should I have been engaging?
should you have been engaging?
should she have been engaging?
should we have been engaging?
should you have been engaging?
should they have been engaging? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I engage?
shouldn't you engage?
shouldn't she engage?
shouldn't we engage?
shouldn't you engage?
shouldn't they engage? 	shouldn't I be engaging?
shouldn't you be engaging?
shouldn't she be engaging?
shouldn't we be engaging?
shouldn't you be engaging?
shouldn't they be engaging? 	shouldn't I have engaged?
shouldn't you have engaged?
shouldn't she have engaged?
shouldn't we have engaged?
shouldn't you have engaged?
shouldn't they have engaged? 	shouldn't I have been engaging?
shouldn't you have been engaging?
shouldn't she have been engaging?
shouldn't we have been engaging?
shouldn't you have been engaging?
shouldn't they have been engaging?