English verb conjugation
MUST UNDEREMPHASISE

Regular verb: underemphasise - underemphasised - underemphasised

Affirmation

Simple form	V-ing form
I must underemphasise you must underemphasise she must underemphasise we must underemphasise you must underemphasise they must underemphasise	I must be underemphasising you must be underemphasising she must be underemphasising we must be underemphasising you must be underemphasising they must be underemphasising
Perfect	V-ing perfect
I must have underemphasised you must have underemphasised she must have underemphasised we must have underemphasised you must have underemphasised they must have underemphasised	I must have been underemphasising you must have been underemphasising she must have been underemphasising we must have been underemphasising you must have been underemphasising they must have been underemphasising

Negation

Simple form	V-ing form
I mustn't underemphasise you mustn't underemphasise she mustn't underemphasise we mustn't underemphasise you mustn't underemphasise they mustn't underemphasise	I mustn't be underemphasising you mustn't be underemphasising she mustn't be underemphasising we mustn't be underemphasising you mustn't be underemphasising they mustn't be underemphasising
Perfect	V-ing perfect
I mustn't have underemphasised you mustn't have underemphasised she mustn't have underemphasised we mustn't have underemphasised you mustn't have underemphasised they mustn't have underemphasised	I mustn't have been underemphasising you mustn't have been underemphasising she mustn't have been underemphasising we mustn't have been underemphasising you mustn't have been underemphasising they mustn't have been underemphasising

Interrogative form

Simple form	V-ing form
must I underemphasise? must you underemphasise? must she underemphasise? must we underemphasise? must you underemphasise? must they underemphasise?	must I be underemphasising? must you be underemphasising? must she be underemphasising? must we be underemphasising? must you be underemphasising? must they be underemphasising?
Perfect	V-ing perfect
must I have underemphasised? must you have underemphasised? must she have underemphasised? must we have underemphasised? must you have underemphasised? must they have underemphasised?	must I have been underemphasising? must you have been underemphasising? must she have been underemphasising? must we have been underemphasising? must you have been underemphasising? must they have been underemphasising?

Interro-negative form

Simple form	V-ing form
mustn't I underemphasise? mustn't you underemphasise? mustn't she underemphasise? mustn't we underemphasise? mustn't you underemphasise? mustn't they underemphasise?	mustn't I be underemphasising? mustn't you be underemphasising? mustn't she be underemphasising? mustn't we be underemphasising? mustn't you be underemphasising? mustn't they be underemphasising?
Perfect	V-ing perfect
mustn't I have underemphasised? mustn't you have underemphasised? mustn't she have underemphasised? mustn't we have underemphasised? mustn't you have underemphasised? mustn't they have underemphasised?	mustn't I have been underemphasising? mustn't you have been underemphasising? mustn't she have been underemphasising? mustn't we have been underemphasising? mustn't you have been underemphasising? mustn't they have been underemphasising?