ought to precheck
Verbe régulier : precheck - prechecked- prechecked

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I ought to precheck
you ought to precheck
she ought to precheck
we ought to precheck
you ought to precheck
they ought to precheck 	I ought to be prechecking
you ought to be prechecking
she ought to be prechecking
we ought to be prechecking
you ought to be prechecking
they ought to be prechecking	I ought to have prechecked
you ought to have prechecked
she ought to have prechecked
we ought to have prechecked
you ought to have prechecked
they ought to have prechecked	I ought to have been prechecking
you ought to have been prechecking
she ought to have been prechecking
we ought to have been prechecking
you ought to have been prechecking
they ought to have been prechecking	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I oughtn't to precheck
you oughtn't to precheck
she oughtn't to precheck
we oughtn't to precheck
you oughtn't to precheck
they oughtn't to precheck 	I oughtn't to be prechecking
you oughtn't to be prechecking
she oughtn't to be prechecking
we oughtn't to be prechecking
you oughtn't to be prechecking
they oughtn't to be prechecking	I oughtn't to have prechecked
you oughtn't to have prechecked
she oughtn't to have prechecked
we oughtn't to have prechecked
you oughtn't to have prechecked
they oughtn't to have prechecked	I oughtn't to have been prechecking
you oughtn't to have been prechecking
she oughtn't to have been prechecking
we oughtn't to have been prechecking
you oughtn't to have been prechecking
they oughtn't to have been prechecking	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
ought to I precheck?
ought to you precheck?
ought to she precheck?
ought to we precheck?
ought to you precheck?
ought to they precheck? 	ought to I be prechecking?
ought to you be prechecking?
ought to she be prechecking?
ought to we be prechecking?
ought to you be prechecking?
ought to they be prechecking? 	ought to I have prechecked?
ought to you have prechecked?
ought to she have prechecked?
ought to we have prechecked?
ought to you have prechecked?
ought to they have prechecked? 	ought to I have been prechecking?
ought to you have been prechecking?
ought to she have been prechecking?
ought to we have been prechecking?
ought to you have been prechecking?
ought to they have been prechecking? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
oughtn't I to precheck?
oughtn't you to precheck?
oughtn't she to precheck?
oughtn't we to precheck?
oughtn't you to precheck?
oughtn't they to precheck? 	oughtn't I to be prechecking?
oughtn't you to be prechecking?
oughtn't she to be prechecking?
oughtn't we to be prechecking?
oughtn't you to be prechecking?
oughtn't they to be prechecking? 	oughtn't I to have prechecked?
oughtn't you to have prechecked?
oughtn't she to have prechecked?
oughtn't we to have prechecked?
oughtn't you to have prechecked?
oughtn't they to have prechecked? 	oughtn't I to have been prechecking?
oughtn't you to have been prechecking?
oughtn't she to have been prechecking?
oughtn't we to have been prechecking?
oughtn't you to have been prechecking?
oughtn't they to have been prechecking?