ought to preboil
Verbe régulier : preboil - preboiled- preboiled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to preboil
you ought to preboil
he ought to preboil
we ought to preboil
you ought to preboil
they ought to preboil 	I ought to be preboiling
you ought to be preboiling
he ought to be preboiling
we ought to be preboiling
you ought to be preboiling
they ought to be preboiling	I ought to have preboiled
you ought to have preboiled
he ought to have preboiled
we ought to have preboiled
you ought to have preboiled
they ought to have preboiled	I ought to have been preboiling
you ought to have been preboiling
he ought to have been preboiling
we ought to have been preboiling
you ought to have been preboiling
they ought to have been preboiling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to preboil
you oughtn't to preboil
he oughtn't to preboil
we oughtn't to preboil
you oughtn't to preboil
they oughtn't to preboil 	I oughtn't to be preboiling
you oughtn't to be preboiling
he oughtn't to be preboiling
we oughtn't to be preboiling
you oughtn't to be preboiling
they oughtn't to be preboiling	I oughtn't to have preboiled
you oughtn't to have preboiled
he oughtn't to have preboiled
we oughtn't to have preboiled
you oughtn't to have preboiled
they oughtn't to have preboiled	I oughtn't to have been preboiling
you oughtn't to have been preboiling
he oughtn't to have been preboiling
we oughtn't to have been preboiling
you oughtn't to have been preboiling
they oughtn't to have been preboiling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I preboil?
ought to you preboil?
ought to he preboil?
ought to we preboil?
ought to you preboil?
ought to they preboil? 	ought to I be preboiling?
ought to you be preboiling?
ought to he be preboiling?
ought to we be preboiling?
ought to you be preboiling?
ought to they be preboiling? 	ought to I have preboiled?
ought to you have preboiled?
ought to he have preboiled?
ought to we have preboiled?
ought to you have preboiled?
ought to they have preboiled? 	ought to I have been preboiling?
ought to you have been preboiling?
ought to he have been preboiling?
ought to we have been preboiling?
ought to you have been preboiling?
ought to they have been preboiling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to preboil?
oughtn't you to preboil?
oughtn't he to preboil?
oughtn't we to preboil?
oughtn't you to preboil?
oughtn't they to preboil? 	oughtn't I to be preboiling?
oughtn't you to be preboiling?
oughtn't he to be preboiling?
oughtn't we to be preboiling?
oughtn't you to be preboiling?
oughtn't they to be preboiling? 	oughtn't I to have preboiled?
oughtn't you to have preboiled?
oughtn't he to have preboiled?
oughtn't we to have preboiled?
oughtn't you to have preboiled?
oughtn't they to have preboiled? 	oughtn't I to have been preboiling?
oughtn't you to have been preboiling?
oughtn't he to have been preboiling?
oughtn't we to have been preboiling?
oughtn't you to have been preboiling?
oughtn't they to have been preboiling?