could surveil
Verbe régulier : surveil - surveiled- surveiled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could surveil
you could surveil
she could surveil
we could surveil
you could surveil
they could surveil 	I could be surveiling
you could be surveiling
she could be surveiling
we could be surveiling
you could be surveiling
they could be surveiling	I could have surveiled
you could have surveiled
she could have surveiled
we could have surveiled
you could have surveiled
they could have surveiled	I could have been surveiling
you could have been surveiling
she could have been surveiling
we could have been surveiling
you could have been surveiling
they could have been surveiling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't surveil
you couldn't surveil
she couldn't surveil
we couldn't surveil
you couldn't surveil
they couldn't surveil 	I couldn't be surveiling
you couldn't be surveiling
she couldn't be surveiling
we couldn't be surveiling
you couldn't be surveiling
they couldn't be surveiling	I couldn't have surveiled
you couldn't have surveiled
she couldn't have surveiled
we couldn't have surveiled
you couldn't have surveiled
they couldn't have surveiled	I couldn't have been surveiling
you couldn't have been surveiling
she couldn't have been surveiling
we couldn't have been surveiling
you couldn't have been surveiling
they couldn't have been surveiling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I surveil?
could you surveil?
could she surveil?
could we surveil?
could you surveil?
could they surveil? 	could I be surveiling?
could you be surveiling?
could she be surveiling?
could we be surveiling?
could you be surveiling?
could they be surveiling? 	could I have surveiled?
could you have surveiled?
could she have surveiled?
could we have surveiled?
could you have surveiled?
could they have surveiled? 	could I have been surveiling?
could you have been surveiling?
could she have been surveiling?
could we have been surveiling?
could you have been surveiling?
could they have been surveiling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I surveil?
couldn't you surveil?
couldn't she surveil?
couldn't we surveil?
couldn't you surveil?
couldn't they surveil? 	couldn't I be surveiling?
couldn't you be surveiling?
couldn't she be surveiling?
couldn't we be surveiling?
couldn't you be surveiling?
couldn't they be surveiling? 	couldn't I have surveiled?
couldn't you have surveiled?
couldn't she have surveiled?
couldn't we have surveiled?
couldn't you have surveiled?
couldn't they have surveiled? 	couldn't I have been surveiling?
couldn't you have been surveiling?
couldn't she have been surveiling?
couldn't we have been surveiling?
couldn't you have been surveiling?
couldn't they have been surveiling?