should lifeguard
Verbe régulier : lifeguard - lifeguarded- lifeguarded

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd lifeguard
you'd lifeguard
she'd lifeguard
we'd lifeguard
you'd lifeguard
they'd lifeguard 	I'd be lifeguarding
you'd be lifeguarding
she'd be lifeguarding
we'd be lifeguarding
you'd be lifeguarding
they'd be lifeguarding	I should've lifeguarded
you should've lifeguarded
she should've lifeguarded
we should've lifeguarded
you should've lifeguarded
they should've lifeguarded	I should've been lifeguarding
you should've been lifeguarding
she should've been lifeguarding
we should've been lifeguarding
you should've been lifeguarding
they should've been lifeguarding	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't lifeguard
you shouldn't lifeguard
she shouldn't lifeguard
we shouldn't lifeguard
you shouldn't lifeguard
they shouldn't lifeguard 	I shouldn't be lifeguarding
you shouldn't be lifeguarding
she shouldn't be lifeguarding
we shouldn't be lifeguarding
you shouldn't be lifeguarding
they shouldn't be lifeguarding	I shouldn't have lifeguarded
you shouldn't have lifeguarded
she shouldn't have lifeguarded
we shouldn't have lifeguarded
you shouldn't have lifeguarded
they shouldn't have lifeguarded	I shouldn't have been lifeguarding
you shouldn't have been lifeguarding
she shouldn't have been lifeguarding
we shouldn't have been lifeguarding
you shouldn't have been lifeguarding
they shouldn't have been lifeguarding	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I lifeguard?
should you lifeguard?
should she lifeguard?
should we lifeguard?
should you lifeguard?
should they lifeguard? 	should I be lifeguarding?
should you be lifeguarding?
should she be lifeguarding?
should we be lifeguarding?
should you be lifeguarding?
should they be lifeguarding? 	should I have lifeguarded?
should you have lifeguarded?
should she have lifeguarded?
should we have lifeguarded?
should you have lifeguarded?
should they have lifeguarded? 	should I have been lifeguarding?
should you have been lifeguarding?
should she have been lifeguarding?
should we have been lifeguarding?
should you have been lifeguarding?
should they have been lifeguarding? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I lifeguard?
shouldn't you lifeguard?
shouldn't she lifeguard?
shouldn't we lifeguard?
shouldn't you lifeguard?
shouldn't they lifeguard? 	shouldn't I be lifeguarding?
shouldn't you be lifeguarding?
shouldn't she be lifeguarding?
shouldn't we be lifeguarding?
shouldn't you be lifeguarding?
shouldn't they be lifeguarding? 	shouldn't I have lifeguarded?
shouldn't you have lifeguarded?
shouldn't she have lifeguarded?
shouldn't we have lifeguarded?
shouldn't you have lifeguarded?
shouldn't they have lifeguarded? 	shouldn't I have been lifeguarding?
shouldn't you have been lifeguarding?
shouldn't she have been lifeguarding?
shouldn't we have been lifeguarding?
shouldn't you have been lifeguarding?
shouldn't they have been lifeguarding?