English verb conjugation
OUGHT TO BERTH

Regular verb: berth - berthed - berthed

Affirmation

Simple form	V-ing form
I ought to berth you ought to berth he ought to berth we ought to berth you ought to berth they ought to berth	I ought to be berthing you ought to be berthing he ought to be berthing we ought to be berthing you ought to be berthing they ought to be berthing
Perfect	V-ing perfect
I ought to have berthed you ought to have berthed he ought to have berthed we ought to have berthed you ought to have berthed they ought to have berthed	I ought to have been berthing you ought to have been berthing he ought to have been berthing we ought to have been berthing you ought to have been berthing they ought to have been berthing

Negation

Simple form	V-ing form
I oughtn't to berth you oughtn't to berth he oughtn't to berth we oughtn't to berth you oughtn't to berth they oughtn't to berth	I oughtn't to be berthing you oughtn't to be berthing he oughtn't to be berthing we oughtn't to be berthing you oughtn't to be berthing they oughtn't to be berthing
Perfect	V-ing perfect
I oughtn't to have berthed you oughtn't to have berthed he oughtn't to have berthed we oughtn't to have berthed you oughtn't to have berthed they oughtn't to have berthed	I oughtn't to have been berthing you oughtn't to have been berthing he oughtn't to have been berthing we oughtn't to have been berthing you oughtn't to have been berthing they oughtn't to have been berthing

Interrogative form

Simple form	V-ing form
ought to I berth? ought to you berth? ought to he berth? ought to we berth? ought to you berth? ought to they berth?	ought to I be berthing? ought to you be berthing? ought to he be berthing? ought to we be berthing? ought to you be berthing? ought to they be berthing?
Perfect	V-ing perfect
ought to I have berthed? ought to you have berthed? ought to he have berthed? ought to we have berthed? ought to you have berthed? ought to they have berthed?	ought to I have been berthing? ought to you have been berthing? ought to he have been berthing? ought to we have been berthing? ought to you have been berthing? ought to they have been berthing?

Interro-negative form

Simple form	V-ing form
oughtn't I to berth? oughtn't you to berth? oughtn't he to berth? oughtn't we to berth? oughtn't you to berth? oughtn't they to berth?	oughtn't I to be berthing? oughtn't you to be berthing? oughtn't he to be berthing? oughtn't we to be berthing? oughtn't you to be berthing? oughtn't they to be berthing?
Perfect	V-ing perfect
oughtn't I to have berthed? oughtn't you to have berthed? oughtn't he to have berthed? oughtn't we to have berthed? oughtn't you to have berthed? oughtn't they to have berthed?	oughtn't I to have been berthing? oughtn't you to have been berthing? oughtn't he to have been berthing? oughtn't we to have been berthing? oughtn't you to have been berthing? oughtn't they to have been berthing?