must clutch
Verbo regular: clutch - clutched- clutched

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must clutch
you must clutch
he must clutch
we must clutch
you must clutch
they must clutch 	I must be clutching
you must be clutching
he must be clutching
we must be clutching
you must be clutching
they must be clutching	I must have clutched
you must have clutched
he must have clutched
we must have clutched
you must have clutched
they must have clutched	I must have been clutching
you must have been clutching
he must have been clutching
we must have been clutching
you must have been clutching
they must have been clutching	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't clutch
you mustn't clutch
he mustn't clutch
we mustn't clutch
you mustn't clutch
they mustn't clutch 	I mustn't be clutching
you mustn't be clutching
he mustn't be clutching
we mustn't be clutching
you mustn't be clutching
they mustn't be clutching	I mustn't have clutched
you mustn't have clutched
he mustn't have clutched
we mustn't have clutched
you mustn't have clutched
they mustn't have clutched	I mustn't have been clutching
you mustn't have been clutching
he mustn't have been clutching
we mustn't have been clutching
you mustn't have been clutching
they mustn't have been clutching	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I clutch?
must you clutch?
must he clutch?
must we clutch?
must you clutch?
must they clutch? 	must I be clutching?
must you be clutching?
must he be clutching?
must we be clutching?
must you be clutching?
must they be clutching? 	must I have clutched?
must you have clutched?
must he have clutched?
must we have clutched?
must you have clutched?
must they have clutched? 	must I have been clutching?
must you have been clutching?
must he have been clutching?
must we have been clutching?
must you have been clutching?
must they have been clutching? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I clutch?
mustn't you clutch?
mustn't he clutch?
mustn't we clutch?
mustn't you clutch?
mustn't they clutch? 	mustn't I be clutching?
mustn't you be clutching?
mustn't he be clutching?
mustn't we be clutching?
mustn't you be clutching?
mustn't they be clutching? 	mustn't I have clutched?
mustn't you have clutched?
mustn't he have clutched?
mustn't we have clutched?
mustn't you have clutched?
mustn't they have clutched? 	mustn't I have been clutching?
mustn't you have been clutching?
mustn't he have been clutching?
mustn't we have been clutching?
mustn't you have been clutching?
mustn't they have been clutching?