ought to filter
Verbe régulier : filter - filtered- filtered
Traduction française : filtrer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to filter
you ought to filter
she ought to filter
we ought to filter
you ought to filter
they ought to filter 	I ought to be filtering
you ought to be filtering
she ought to be filtering
we ought to be filtering
you ought to be filtering
they ought to be filtering	I ought to have filtered
you ought to have filtered
she ought to have filtered
we ought to have filtered
you ought to have filtered
they ought to have filtered	I ought to have been filtering
you ought to have been filtering
she ought to have been filtering
we ought to have been filtering
you ought to have been filtering
they ought to have been filtering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to filter
you oughtn't to filter
she oughtn't to filter
we oughtn't to filter
you oughtn't to filter
they oughtn't to filter 	I oughtn't to be filtering
you oughtn't to be filtering
she oughtn't to be filtering
we oughtn't to be filtering
you oughtn't to be filtering
they oughtn't to be filtering	I oughtn't to have filtered
you oughtn't to have filtered
she oughtn't to have filtered
we oughtn't to have filtered
you oughtn't to have filtered
they oughtn't to have filtered	I oughtn't to have been filtering
you oughtn't to have been filtering
she oughtn't to have been filtering
we oughtn't to have been filtering
you oughtn't to have been filtering
they oughtn't to have been filtering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I filter?
ought to you filter?
ought to she filter?
ought to we filter?
ought to you filter?
ought to they filter? 	ought to I be filtering?
ought to you be filtering?
ought to she be filtering?
ought to we be filtering?
ought to you be filtering?
ought to they be filtering? 	ought to I have filtered?
ought to you have filtered?
ought to she have filtered?
ought to we have filtered?
ought to you have filtered?
ought to they have filtered? 	ought to I have been filtering?
ought to you have been filtering?
ought to she have been filtering?
ought to we have been filtering?
ought to you have been filtering?
ought to they have been filtering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to filter?
oughtn't you to filter?
oughtn't she to filter?
oughtn't we to filter?
oughtn't you to filter?
oughtn't they to filter? 	oughtn't I to be filtering?
oughtn't you to be filtering?
oughtn't she to be filtering?
oughtn't we to be filtering?
oughtn't you to be filtering?
oughtn't they to be filtering? 	oughtn't I to have filtered?
oughtn't you to have filtered?
oughtn't she to have filtered?
oughtn't we to have filtered?
oughtn't you to have filtered?
oughtn't they to have filtered? 	oughtn't I to have been filtering?
oughtn't you to have been filtering?
oughtn't she to have been filtering?
oughtn't we to have been filtering?
oughtn't you to have been filtering?
oughtn't they to have been filtering?