should sight
Regular verb: sight - sighted- sighted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd sight
you'd sight
she'd sight
we'd sight
you'd sight
they'd sight 	I'd be sighting
you'd be sighting
she'd be sighting
we'd be sighting
you'd be sighting
they'd be sighting	I should've sighted
you should've sighted
she should've sighted
we should've sighted
you should've sighted
they should've sighted	I should've been sighting
you should've been sighting
she should've been sighting
we should've been sighting
you should've been sighting
they should've been sighting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I shouldn't sight
you shouldn't sight
she shouldn't sight
we shouldn't sight
you shouldn't sight
they shouldn't sight 	I shouldn't be sighting
you shouldn't be sighting
she shouldn't be sighting
we shouldn't be sighting
you shouldn't be sighting
they shouldn't be sighting	I shouldn't have sighted
you shouldn't have sighted
she shouldn't have sighted
we shouldn't have sighted
you shouldn't have sighted
they shouldn't have sighted	I shouldn't have been sighting
you shouldn't have been sighting
she shouldn't have been sighting
we shouldn't have been sighting
you shouldn't have been sighting
they shouldn't have been sighting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I sight?
should you sight?
should she sight?
should we sight?
should you sight?
should they sight? 	should I be sighting?
should you be sighting?
should she be sighting?
should we be sighting?
should you be sighting?
should they be sighting? 	should I have sighted?
should you have sighted?
should she have sighted?
should we have sighted?
should you have sighted?
should they have sighted? 	should I have been sighting?
should you have been sighting?
should she have been sighting?
should we have been sighting?
should you have been sighting?
should they have been sighting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
shouldn't I sight?
shouldn't you sight?
shouldn't she sight?
shouldn't we sight?
shouldn't you sight?
shouldn't they sight? 	shouldn't I be sighting?
shouldn't you be sighting?
shouldn't she be sighting?
shouldn't we be sighting?
shouldn't you be sighting?
shouldn't they be sighting? 	shouldn't I have sighted?
shouldn't you have sighted?
shouldn't she have sighted?
shouldn't we have sighted?
shouldn't you have sighted?
shouldn't they have sighted? 	shouldn't I have been sighting?
shouldn't you have been sighting?
shouldn't she have been sighting?
shouldn't we have been sighting?
shouldn't you have been sighting?
shouldn't they have been sighting?