must clutch
Regular verb: clutch - clutched- clutched

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must clutch
you must clutch
she must clutch
we must clutch
you must clutch
they must clutch 	I must be clutching
you must be clutching
she must be clutching
we must be clutching
you must be clutching
they must be clutching	I must have clutched
you must have clutched
she 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
she must have been clutching
we must have been clutching
you must have been clutching
they must have been clutching	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not clutch
you must not clutch
she must not clutch
we must not clutch
you must not clutch
they must not clutch 	I must not be clutching
you must not be clutching
she must not be clutching
we must not be clutching
you must not be clutching
they must not be clutching	I must not have clutched
you must not have clutched
she must not have clutched
we must not have clutched
you must not have clutched
they must not have clutched	I must not have been clutching
you must not have been clutching
she must not have been clutching
we must not have been clutching
you must not have been clutching
they must not have been clutching	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I clutch?
must you clutch?
must she clutch?
must we clutch?
must you clutch?
must they clutch? 	must I be clutching?
must you be clutching?
must she be clutching?
must we be clutching?
must you be clutching?
must they be clutching? 	must I have clutched?
must you have clutched?
must she 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 she have been clutching?
must we have been clutching?
must you have been clutching?
must they have been clutching? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not clutch?
must you not clutch?
must she not clutch?
must we not clutch?
must you not clutch?
must they not clutch? 	must I not be clutching?
must you not be clutching?
must she not be clutching?
must we not be clutching?
must you not be clutching?
must they not be clutching? 	must I not have clutched?
must you not have clutched?
must she not have clutched?
must we not have clutched?
must you not have clutched?
must they not have clutched? 	must I not have been clutching?
must you not have been clutching?
must she not have been clutching?
must we not have been clutching?
must you not have been clutching?
must they not have been clutching?