ought to preinstill
Verbe régulier : preinstill - preinstilled- preinstilled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to preinstill
you ought to preinstill
she ought to preinstill
we ought to preinstill
you ought to preinstill
they ought to preinstill 	I ought to be preinstilling
you ought to be preinstilling
she ought to be preinstilling
we ought to be preinstilling
you ought to be preinstilling
they ought to be preinstilling	I ought to have preinstilled
you ought to have preinstilled
she ought to have preinstilled
we ought to have preinstilled
you ought to have preinstilled
they ought to have preinstilled	I ought to have been preinstilling
you ought to have been preinstilling
she ought to have been preinstilling
we ought to have been preinstilling
you ought to have been preinstilling
they ought to have been preinstilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to preinstill
you oughtn't to preinstill
she oughtn't to preinstill
we oughtn't to preinstill
you oughtn't to preinstill
they oughtn't to preinstill 	I oughtn't to be preinstilling
you oughtn't to be preinstilling
she oughtn't to be preinstilling
we oughtn't to be preinstilling
you oughtn't to be preinstilling
they oughtn't to be preinstilling	I oughtn't to have preinstilled
you oughtn't to have preinstilled
she oughtn't to have preinstilled
we oughtn't to have preinstilled
you oughtn't to have preinstilled
they oughtn't to have preinstilled	I oughtn't to have been preinstilling
you oughtn't to have been preinstilling
she oughtn't to have been preinstilling
we oughtn't to have been preinstilling
you oughtn't to have been preinstilling
they oughtn't to have been preinstilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I preinstill?
ought to you preinstill?
ought to she preinstill?
ought to we preinstill?
ought to you preinstill?
ought to they preinstill? 	ought to I be preinstilling?
ought to you be preinstilling?
ought to she be preinstilling?
ought to we be preinstilling?
ought to you be preinstilling?
ought to they be preinstilling? 	ought to I have preinstilled?
ought to you have preinstilled?
ought to she have preinstilled?
ought to we have preinstilled?
ought to you have preinstilled?
ought to they have preinstilled? 	ought to I have been preinstilling?
ought to you have been preinstilling?
ought to she have been preinstilling?
ought to we have been preinstilling?
ought to you have been preinstilling?
ought to they have been preinstilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to preinstill?
oughtn't you to preinstill?
oughtn't she to preinstill?
oughtn't we to preinstill?
oughtn't you to preinstill?
oughtn't they to preinstill? 	oughtn't I to be preinstilling?
oughtn't you to be preinstilling?
oughtn't she to be preinstilling?
oughtn't we to be preinstilling?
oughtn't you to be preinstilling?
oughtn't they to be preinstilling? 	oughtn't I to have preinstilled?
oughtn't you to have preinstilled?
oughtn't she to have preinstilled?
oughtn't we to have preinstilled?
oughtn't you to have preinstilled?
oughtn't they to have preinstilled? 	oughtn't I to have been preinstilling?
oughtn't you to have been preinstilling?
oughtn't she to have been preinstilling?
oughtn't we to have been preinstilling?
oughtn't you to have been preinstilling?
oughtn't they to have been preinstilling?