must relapse
Verbo regular: relapse - relapsed- relapsed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must relapse
you must relapse
he must relapse
we must relapse
you must relapse
they must relapse 	I must be relapsing
you must be relapsing
he must be relapsing
we must be relapsing
you must be relapsing
they must be relapsing	I must have relapsed
you must have relapsed
he must have relapsed
we must have relapsed
you must have relapsed
they must have relapsed	I must have been relapsing
you must have been relapsing
he must have been relapsing
we must have been relapsing
you must have been relapsing
they must have been relapsing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't relapse
you mustn't relapse
he mustn't relapse
we mustn't relapse
you mustn't relapse
they mustn't relapse 	I mustn't be relapsing
you mustn't be relapsing
he mustn't be relapsing
we mustn't be relapsing
you mustn't be relapsing
they mustn't be relapsing	I mustn't have relapsed
you mustn't have relapsed
he mustn't have relapsed
we mustn't have relapsed
you mustn't have relapsed
they mustn't have relapsed	I mustn't have been relapsing
you mustn't have been relapsing
he mustn't have been relapsing
we mustn't have been relapsing
you mustn't have been relapsing
they mustn't have been relapsing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I relapse?
must you relapse?
must he relapse?
must we relapse?
must you relapse?
must they relapse? 	must I be relapsing?
must you be relapsing?
must he be relapsing?
must we be relapsing?
must you be relapsing?
must they be relapsing? 	must I have relapsed?
must you have relapsed?
must he have relapsed?
must we have relapsed?
must you have relapsed?
must they have relapsed? 	must I have been relapsing?
must you have been relapsing?
must he have been relapsing?
must we have been relapsing?
must you have been relapsing?
must they have been relapsing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I relapse?
mustn't you relapse?
mustn't he relapse?
mustn't we relapse?
mustn't you relapse?
mustn't they relapse? 	mustn't I be relapsing?
mustn't you be relapsing?
mustn't he be relapsing?
mustn't we be relapsing?
mustn't you be relapsing?
mustn't they be relapsing? 	mustn't I have relapsed?
mustn't you have relapsed?
mustn't he have relapsed?
mustn't we have relapsed?
mustn't you have relapsed?
mustn't they have relapsed? 	mustn't I have been relapsing?
mustn't you have been relapsing?
mustn't he have been relapsing?
mustn't we have been relapsing?
mustn't you have been relapsing?
mustn't they have been relapsing?