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