ought to precheck
Verbo regular: precheck - prechecked- prechecked

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought to precheck
you ought to precheck
he 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
he 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
he 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
he ought to have been prechecking
we ought to have been prechecking
you ought to have been prechecking
they ought to have been prechecking	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I oughtn't to precheck
you oughtn't to precheck
he 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
he 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
he 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
he 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	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought to I precheck?
ought to you precheck?
ought to he 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 he 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 he 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 he have been prechecking?
ought to we have been prechecking?
ought to you have been prechecking?
ought to they have been prechecking? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
oughtn't I to precheck?
oughtn't you to precheck?
oughtn't he 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 he 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 he 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 he 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?