ought to preinstill
Verbo regular: preinstill - preinstilled- preinstilled

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

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I ought not to preinstill
you ought not to preinstill
he ought not to preinstill
we ought not to preinstill
you ought not to preinstill
they ought not to preinstill 	I ought not to preinstilling
you ought not to preinstilling
he ought not to preinstilling
we ought not to preinstilling
you ought not to preinstilling
they ought not to preinstilling	I ought not to have preinstilled
you ought not to have preinstilled
he ought not to have preinstilled
we ought not to have preinstilled
you ought not to have preinstilled
they ought not to have preinstilled	I ought not to have been preinstilling
you ought not to have been preinstilling
he ought not to have been preinstilling
we ought not to have been preinstilling
you ought not to have been preinstilling
they ought not to have been preinstilling	

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

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
ought I not to preinstill?
ought you not to preinstill?
ought he not to preinstill?
ought we not to preinstill?
ought you not to preinstill?
ought they not to preinstill? 	ought I not to be preinstilling?
ought you not to be preinstilling?
ought he not to be preinstilling?
ought we not to be preinstilling?
ought you not to be preinstilling?
ought they not to be preinstilling? 	ought I not to have preinstilled?
ought you not to have preinstilled?
ought he not to have preinstilled?
ought we not to have preinstilled?
ought you not to have preinstilled?
ought they not to have preinstilled? 	ought I not to have been preinstilling?
ought you not to have been preinstilling?
ought he not to have been preinstilling?
ought we not to have been preinstilling?
ought you not to have been preinstilling?
ought they not to have been preinstilling?