English verb conjugation
OUGHT TO PREINSTILL

Regular verb: preinstill - preinstilled - preinstilled

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
I oughtn't to preinstill you oughtn't to preinstill he 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 he oughtn't to be preinstilling we oughtn't to be preinstilling you oughtn't to be preinstilling they oughtn't to be preinstilling
Perfect	V-ing perfect
I oughtn't to have preinstilled you oughtn't to have preinstilled he 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 he 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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
oughtn't I to preinstill? oughtn't you to preinstill? oughtn't he 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 he to be preinstilling? oughtn't we to be preinstilling? oughtn't you to be preinstilling? oughtn't they to be preinstilling?
Perfect	V-ing perfect
oughtn't I to have preinstilled? oughtn't you to have preinstilled? oughtn't he 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 he 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?