must medicine
Regular verb: medicine - medicined- medicined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must medicine
you must medicine
he must medicine
we must medicine
you must medicine
they must medicine 	I must be medicining
you must be medicining
he must be medicining
we must be medicining
you must be medicining
they must be medicining	I must have medicined
you must have medicined
he must have medicined
we must have medicined
you must have medicined
they must have medicined	I must have been medicining
you must have been medicining
he must have been medicining
we must have been medicining
you must have been medicining
they must have been medicining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not medicine
you must not medicine
he must not medicine
we must not medicine
you must not medicine
they must not medicine 	I must not be medicining
you must not be medicining
he must not be medicining
we must not be medicining
you must not be medicining
they must not be medicining	I must not have medicined
you must not have medicined
he must not have medicined
we must not have medicined
you must not have medicined
they must not have medicined	I must not have been medicining
you must not have been medicining
he must not have been medicining
we must not have been medicining
you must not have been medicining
they must not have been medicining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I medicine?
must you medicine?
must he medicine?
must we medicine?
must you medicine?
must they medicine? 	must I be medicining?
must you be medicining?
must he be medicining?
must we be medicining?
must you be medicining?
must they be medicining? 	must I have medicined?
must you have medicined?
must he have medicined?
must we have medicined?
must you have medicined?
must they have medicined? 	must I have been medicining?
must you have been medicining?
must he have been medicining?
must we have been medicining?
must you have been medicining?
must they have been medicining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not medicine?
must you not medicine?
must he not medicine?
must we not medicine?
must you not medicine?
must they not medicine? 	must I not be medicining?
must you not be medicining?
must he not be medicining?
must we not be medicining?
must you not be medicining?
must they not be medicining? 	must I not have medicined?
must you not have medicined?
must he not have medicined?
must we not have medicined?
must you not have medicined?
must they not have medicined? 	must I not have been medicining?
must you not have been medicining?
must he not have been medicining?
must we not have been medicining?
must you not have been medicining?
must they not have been medicining?