I must emphasise you must emphasise she must emphasise we must emphasise you must emphasise they must emphasise
V-ing form
I must be emphasising you must be emphasising she must be emphasising we must be emphasising you must be emphasising they must be emphasising
Perfect
I must have emphasised you must have emphasised she must have emphasised we must have emphasised you must have emphasised they must have emphasised
V-ing perfect
I must have been emphasising you must have been emphasising she must have been emphasising we must have been emphasising you must have been emphasising they must have been emphasising
Negation
Simple form
I mustn't emphasise you mustn't emphasise she mustn't emphasise we mustn't emphasise you mustn't emphasise they mustn't emphasise
V-ing form
I mustn't be emphasising you mustn't be emphasising she mustn't be emphasising we mustn't be emphasising you mustn't be emphasising they mustn't be emphasising
Perfect
I mustn't have emphasised you mustn't have emphasised she mustn't have emphasised we mustn't have emphasised you mustn't have emphasised they mustn't have emphasised
V-ing perfect
I mustn't have been emphasising you mustn't have been emphasising she mustn't have been emphasising we mustn't have been emphasising you mustn't have been emphasising they mustn't have been emphasising
Interrogative form
Simple form
must I emphasise? must you emphasise? must she emphasise? must we emphasise? must you emphasise? must they emphasise?
V-ing form
must I be emphasising? must you be emphasising? must she be emphasising? must we be emphasising? must you be emphasising? must they be emphasising?
Perfect
must I have emphasised? must you have emphasised? must she have emphasised? must we have emphasised? must you have emphasised? must they have emphasised?
V-ing perfect
must I have been emphasising? must you have been emphasising? must she have been emphasising? must we have been emphasising? must you have been emphasising? must they have been emphasising?
Interro-negative form
Simple form
mustn't I emphasise? mustn't you emphasise? mustn't she emphasise? mustn't we emphasise? mustn't you emphasise? mustn't they emphasise?
V-ing form
mustn't I be emphasising? mustn't you be emphasising? mustn't she be emphasising? mustn't we be emphasising? mustn't you be emphasising? mustn't they be emphasising?
Perfect
mustn't I have emphasised? mustn't you have emphasised? mustn't she have emphasised? mustn't we have emphasised? mustn't you have emphasised? mustn't they have emphasised?
V-ing perfect
mustn't I have been emphasising? mustn't you have been emphasising? mustn't she have been emphasising? mustn't we have been emphasising? mustn't you have been emphasising? mustn't they have been emphasising?