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