must convalesce
Regular verb: convalesce - convalesced- convalesced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must convalesce
you must convalesce
he must convalesce
we must convalesce
you must convalesce
they must convalesce 	I must be convalescing
you must be convalescing
he must be convalescing
we must be convalescing
you must be convalescing
they must be convalescing	I must have convalesced
you must have convalesced
he must have convalesced
we must have convalesced
you must have convalesced
they must have convalesced	I must have been convalescing
you must have been convalescing
he must have been convalescing
we must have been convalescing
you must have been convalescing
they must have been convalescing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't convalesce
you mustn't convalesce
he mustn't convalesce
we mustn't convalesce
you mustn't convalesce
they mustn't convalesce 	I mustn't be convalescing
you mustn't be convalescing
he mustn't be convalescing
we mustn't be convalescing
you mustn't be convalescing
they mustn't be convalescing	I mustn't have convalesced
you mustn't have convalesced
he mustn't have convalesced
we mustn't have convalesced
you mustn't have convalesced
they mustn't have convalesced	I mustn't have been convalescing
you mustn't have been convalescing
he mustn't have been convalescing
we mustn't have been convalescing
you mustn't have been convalescing
they mustn't have been convalescing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I convalesce?
must you convalesce?
must he convalesce?
must we convalesce?
must you convalesce?
must they convalesce? 	must I be convalescing?
must you be convalescing?
must he be convalescing?
must we be convalescing?
must you be convalescing?
must they be convalescing? 	must I have convalesced?
must you have convalesced?
must he have convalesced?
must we have convalesced?
must you have convalesced?
must they have convalesced? 	must I have been convalescing?
must you have been convalescing?
must he have been convalescing?
must we have been convalescing?
must you have been convalescing?
must they have been convalescing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I convalesce?
mustn't you convalesce?
mustn't he convalesce?
mustn't we convalesce?
mustn't you convalesce?
mustn't they convalesce? 	mustn't I be convalescing?
mustn't you be convalescing?
mustn't he be convalescing?
mustn't we be convalescing?
mustn't you be convalescing?
mustn't they be convalescing? 	mustn't I have convalesced?
mustn't you have convalesced?
mustn't he have convalesced?
mustn't we have convalesced?
mustn't you have convalesced?
mustn't they have convalesced? 	mustn't I have been convalescing?
mustn't you have been convalescing?
mustn't he have been convalescing?
mustn't we have been convalescing?
mustn't you have been convalescing?
mustn't they have been convalescing?