English verb conjugation
OUGHT TO COUGH

Regular verb: cough - coughed - coughed

Affirmation

Simple form	V-ing form
I ought to cough you ought to cough she ought to cough we ought to cough you ought to cough they ought to cough	I ought to be coughing you ought to be coughing she ought to be coughing we ought to be coughing you ought to be coughing they ought to be coughing
Perfect	V-ing perfect
I ought to have coughed you ought to have coughed she ought to have coughed we ought to have coughed you ought to have coughed they ought to have coughed	I ought to have been coughing you ought to have been coughing she ought to have been coughing we ought to have been coughing you ought to have been coughing they ought to have been coughing

Negation

Simple form	V-ing form
I oughtn't to cough you oughtn't to cough she oughtn't to cough we oughtn't to cough you oughtn't to cough they oughtn't to cough	I oughtn't to be coughing you oughtn't to be coughing she oughtn't to be coughing we oughtn't to be coughing you oughtn't to be coughing they oughtn't to be coughing
Perfect	V-ing perfect
I oughtn't to have coughed you oughtn't to have coughed she oughtn't to have coughed we oughtn't to have coughed you oughtn't to have coughed they oughtn't to have coughed	I oughtn't to have been coughing you oughtn't to have been coughing she oughtn't to have been coughing we oughtn't to have been coughing you oughtn't to have been coughing they oughtn't to have been coughing

Interrogative form

Simple form	V-ing form
ought to I cough? ought to you cough? ought to she cough? ought to we cough? ought to you cough? ought to they cough?	ought to I be coughing? ought to you be coughing? ought to she be coughing? ought to we be coughing? ought to you be coughing? ought to they be coughing?
Perfect	V-ing perfect
ought to I have coughed? ought to you have coughed? ought to she have coughed? ought to we have coughed? ought to you have coughed? ought to they have coughed?	ought to I have been coughing? ought to you have been coughing? ought to she have been coughing? ought to we have been coughing? ought to you have been coughing? ought to they have been coughing?

Interro-negative form

Simple form	V-ing form
oughtn't I to cough? oughtn't you to cough? oughtn't she to cough? oughtn't we to cough? oughtn't you to cough? oughtn't they to cough?	oughtn't I to be coughing? oughtn't you to be coughing? oughtn't she to be coughing? oughtn't we to be coughing? oughtn't you to be coughing? oughtn't they to be coughing?
Perfect	V-ing perfect
oughtn't I to have coughed? oughtn't you to have coughed? oughtn't she to have coughed? oughtn't we to have coughed? oughtn't you to have coughed? oughtn't they to have coughed?	oughtn't I to have been coughing? oughtn't you to have been coughing? oughtn't she to have been coughing? oughtn't we to have been coughing? oughtn't you to have been coughing? oughtn't they to have been coughing?