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