English verb conjugation
MUST ENDANGER

Regular verb: endanger - endangered - endangered

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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