I ought to ferment you ought to ferment he ought to ferment we ought to ferment you ought to ferment they ought to ferment
V-ing form
I ought to be fermenting you ought to be fermenting he ought to be fermenting we ought to be fermenting you ought to be fermenting they ought to be fermenting
Perfect
I ought to have fermented you ought to have fermented he ought to have fermented we ought to have fermented you ought to have fermented they ought to have fermented
V-ing perfect
I ought to have been fermenting you ought to have been fermenting he ought to have been fermenting we ought to have been fermenting you ought to have been fermenting they ought to have been fermenting
Negation
Simple form
I oughtn't to ferment you oughtn't to ferment he oughtn't to ferment we oughtn't to ferment you oughtn't to ferment they oughtn't to ferment
V-ing form
I oughtn't to be fermenting you oughtn't to be fermenting he oughtn't to be fermenting we oughtn't to be fermenting you oughtn't to be fermenting they oughtn't to be fermenting
Perfect
I oughtn't to have fermented you oughtn't to have fermented he oughtn't to have fermented we oughtn't to have fermented you oughtn't to have fermented they oughtn't to have fermented
V-ing perfect
I oughtn't to have been fermenting you oughtn't to have been fermenting he oughtn't to have been fermenting we oughtn't to have been fermenting you oughtn't to have been fermenting they oughtn't to have been fermenting
Interrogative form
Simple form
ought to I ferment? ought to you ferment? ought to he ferment? ought to we ferment? ought to you ferment? ought to they ferment?
V-ing form
ought to I be fermenting? ought to you be fermenting? ought to he be fermenting? ought to we be fermenting? ought to you be fermenting? ought to they be fermenting?
Perfect
ought to I have fermented? ought to you have fermented? ought to he have fermented? ought to we have fermented? ought to you have fermented? ought to they have fermented?
V-ing perfect
ought to I have been fermenting? ought to you have been fermenting? ought to he have been fermenting? ought to we have been fermenting? ought to you have been fermenting? ought to they have been fermenting?
Interro-negative form
Simple form
oughtn't I to ferment? oughtn't you to ferment? oughtn't he to ferment? oughtn't we to ferment? oughtn't you to ferment? oughtn't they to ferment?
V-ing form
oughtn't I to be fermenting? oughtn't you to be fermenting? oughtn't he to be fermenting? oughtn't we to be fermenting? oughtn't you to be fermenting? oughtn't they to be fermenting?
Perfect
oughtn't I to have fermented? oughtn't you to have fermented? oughtn't he to have fermented? oughtn't we to have fermented? oughtn't you to have fermented? oughtn't they to have fermented?
V-ing perfect
oughtn't I to have been fermenting? oughtn't you to have been fermenting? oughtn't he to have been fermenting? oughtn't we to have been fermenting? oughtn't you to have been fermenting? oughtn't they to have been fermenting?