I must soft-soap you must soft-soap she must soft-soap we must soft-soap you must soft-soap they must soft-soap
V-ing form
I must be soft-soaping you must be soft-soaping she must be soft-soaping we must be soft-soaping you must be soft-soaping they must be soft-soaping
Perfect
I must have soft-soaped you must have soft-soaped she must have soft-soaped we must have soft-soaped you must have soft-soaped they must have soft-soaped
V-ing perfect
I must have been soft-soaping you must have been soft-soaping she must have been soft-soaping we must have been soft-soaping you must have been soft-soaping they must have been soft-soaping
Negation
Simple form
I mustn't soft-soap you mustn't soft-soap she mustn't soft-soap we mustn't soft-soap you mustn't soft-soap they mustn't soft-soap
V-ing form
I mustn't be soft-soaping you mustn't be soft-soaping she mustn't be soft-soaping we mustn't be soft-soaping you mustn't be soft-soaping they mustn't be soft-soaping
Perfect
I mustn't have soft-soaped you mustn't have soft-soaped she mustn't have soft-soaped we mustn't have soft-soaped you mustn't have soft-soaped they mustn't have soft-soaped
V-ing perfect
I mustn't have been soft-soaping you mustn't have been soft-soaping she mustn't have been soft-soaping we mustn't have been soft-soaping you mustn't have been soft-soaping they mustn't have been soft-soaping
Interrogative form
Simple form
must I soft-soap? must you soft-soap? must she soft-soap? must we soft-soap? must you soft-soap? must they soft-soap?
V-ing form
must I be soft-soaping? must you be soft-soaping? must she be soft-soaping? must we be soft-soaping? must you be soft-soaping? must they be soft-soaping?
Perfect
must I have soft-soaped? must you have soft-soaped? must she have soft-soaped? must we have soft-soaped? must you have soft-soaped? must they have soft-soaped?
V-ing perfect
must I have been soft-soaping? must you have been soft-soaping? must she have been soft-soaping? must we have been soft-soaping? must you have been soft-soaping? must they have been soft-soaping?
Interro-negative form
Simple form
mustn't I soft-soap? mustn't you soft-soap? mustn't she soft-soap? mustn't we soft-soap? mustn't you soft-soap? mustn't they soft-soap?
V-ing form
mustn't I be soft-soaping? mustn't you be soft-soaping? mustn't she be soft-soaping? mustn't we be soft-soaping? mustn't you be soft-soaping? mustn't they be soft-soaping?
Perfect
mustn't I have soft-soaped? mustn't you have soft-soaped? mustn't she have soft-soaped? mustn't we have soft-soaped? mustn't you have soft-soaped? mustn't they have soft-soaped?
V-ing perfect
mustn't I have been soft-soaping? mustn't you have been soft-soaping? mustn't she have been soft-soaping? mustn't we have been soft-soaping? mustn't you have been soft-soaping? mustn't they have been soft-soaping?