should mask
Verbe régulier : mask - masked- masked
Traduction française : masquer - cacher 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I'd mask
you'd mask
she'd mask
we'd mask
you'd mask
they'd mask 	I'd be masking
you'd be masking
she'd be masking
we'd be masking
you'd be masking
they'd be masking	I should've masked
you should've masked
she should've masked
we should've masked
you should've masked
they should've masked	I should've been masking
you should've been masking
she should've been masking
we should've been masking
you should've been masking
they should've been masking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I shouldn't mask
you shouldn't mask
she shouldn't mask
we shouldn't mask
you shouldn't mask
they shouldn't mask 	I shouldn't be masking
you shouldn't be masking
she shouldn't be masking
we shouldn't be masking
you shouldn't be masking
they shouldn't be masking	I shouldn't have masked
you shouldn't have masked
she shouldn't have masked
we shouldn't have masked
you shouldn't have masked
they shouldn't have masked	I shouldn't have been masking
you shouldn't have been masking
she shouldn't have been masking
we shouldn't have been masking
you shouldn't have been masking
they shouldn't have been masking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I mask?
should you mask?
should she mask?
should we mask?
should you mask?
should they mask? 	should I be masking?
should you be masking?
should she be masking?
should we be masking?
should you be masking?
should they be masking? 	should I have masked?
should you have masked?
should she have masked?
should we have masked?
should you have masked?
should they have masked? 	should I have been masking?
should you have been masking?
should she have been masking?
should we have been masking?
should you have been masking?
should they have been masking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
shouldn't I mask?
shouldn't you mask?
shouldn't she mask?
shouldn't we mask?
shouldn't you mask?
shouldn't they mask? 	shouldn't I be masking?
shouldn't you be masking?
shouldn't she be masking?
shouldn't we be masking?
shouldn't you be masking?
shouldn't they be masking? 	shouldn't I have masked?
shouldn't you have masked?
shouldn't she have masked?
shouldn't we have masked?
shouldn't you have masked?
shouldn't they have masked? 	shouldn't I have been masking?
shouldn't you have been masking?
shouldn't she have been masking?
shouldn't we have been masking?
shouldn't you have been masking?
shouldn't they have been masking?