English verb conjugation
OUGHT TO ENDANGER

Regular verb: endanger - endangered - endangered

Affirmation

Simple form	V-ing form
I ought to endanger you ought to endanger she ought to endanger we ought to endanger you ought to endanger they ought to endanger	I ought to be endangering you ought to be endangering she ought to be endangering we ought to be endangering you ought to be endangering they ought to be endangering
Perfect	V-ing perfect
I ought to have endangered you ought to have endangered she ought to have endangered we ought to have endangered you ought to have endangered they ought to have endangered	I ought to have been endangering you ought to have been endangering she ought to have been endangering we ought to have been endangering you ought to have been endangering they ought to have been endangering

Negation

Simple form	V-ing form
I oughtn't to endanger you oughtn't to endanger she oughtn't to endanger we oughtn't to endanger you oughtn't to endanger they oughtn't to endanger	I oughtn't to be endangering you oughtn't to be endangering she oughtn't to be endangering we oughtn't to be endangering you oughtn't to be endangering they oughtn't to be endangering
Perfect	V-ing perfect
I oughtn't to have endangered you oughtn't to have endangered she oughtn't to have endangered we oughtn't to have endangered you oughtn't to have endangered they oughtn't to have endangered	I oughtn't to have been endangering you oughtn't to have been endangering she oughtn't to have been endangering we oughtn't to have been endangering you oughtn't to have been endangering they oughtn't to have been endangering

Interrogative form

Simple form	V-ing form
ought to I endanger? ought to you endanger? ought to she endanger? ought to we endanger? ought to you endanger? ought to they endanger?	ought to I be endangering? ought to you be endangering? ought to she be endangering? ought to we be endangering? ought to you be endangering? ought to they be endangering?
Perfect	V-ing perfect
ought to I have endangered? ought to you have endangered? ought to she have endangered? ought to we have endangered? ought to you have endangered? ought to they have endangered?	ought to I have been endangering? ought to you have been endangering? ought to she have been endangering? ought to we have been endangering? ought to you have been endangering? ought to they have been endangering?

Interro-negative form

Simple form	V-ing form
oughtn't I to endanger? oughtn't you to endanger? oughtn't she to endanger? oughtn't we to endanger? oughtn't you to endanger? oughtn't they to endanger?	oughtn't I to be endangering? oughtn't you to be endangering? oughtn't she to be endangering? oughtn't we to be endangering? oughtn't you to be endangering? oughtn't they to be endangering?
Perfect	V-ing perfect
oughtn't I to have endangered? oughtn't you to have endangered? oughtn't she to have endangered? oughtn't we to have endangered? oughtn't you to have endangered? oughtn't they to have endangered?	oughtn't I to have been endangering? oughtn't you to have been endangering? oughtn't she to have been endangering? oughtn't we to have been endangering? oughtn't you to have been endangering? oughtn't they to have been endangering?