must tape-record
Regular verb: tape-record - tape-recorded- tape-recorded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must tape-record
you must tape-record
he must tape-record
we must tape-record
you must tape-record
they must tape-record 	I must be tape-recording
you must be tape-recording
he must be tape-recording
we must be tape-recording
you must be tape-recording
they must be tape-recording	I must have tape-recorded
you must have tape-recorded
he must have tape-recorded
we must have tape-recorded
you must have tape-recorded
they must have tape-recorded	I must have been tape-recording
you must have been tape-recording
he must have been tape-recording
we must have been tape-recording
you must have been tape-recording
they must have been tape-recording	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not tape-record
you must not tape-record
he must not tape-record
we must not tape-record
you must not tape-record
they must not tape-record 	I must not be tape-recording
you must not be tape-recording
he must not be tape-recording
we must not be tape-recording
you must not be tape-recording
they must not be tape-recording	I must not have tape-recorded
you must not have tape-recorded
he must not have tape-recorded
we must not have tape-recorded
you must not have tape-recorded
they must not have tape-recorded	I must not have been tape-recording
you must not have been tape-recording
he must not have been tape-recording
we must not have been tape-recording
you must not have been tape-recording
they must not have been tape-recording	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I tape-record?
must you tape-record?
must he tape-record?
must we tape-record?
must you tape-record?
must they tape-record? 	must I be tape-recording?
must you be tape-recording?
must he be tape-recording?
must we be tape-recording?
must you be tape-recording?
must they be tape-recording? 	must I have tape-recorded?
must you have tape-recorded?
must he have tape-recorded?
must we have tape-recorded?
must you have tape-recorded?
must they have tape-recorded? 	must I have been tape-recording?
must you have been tape-recording?
must he have been tape-recording?
must we have been tape-recording?
must you have been tape-recording?
must they have been tape-recording? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not tape-record?
must you not tape-record?
must he not tape-record?
must we not tape-record?
must you not tape-record?
must they not tape-record? 	must I not be tape-recording?
must you not be tape-recording?
must he not be tape-recording?
must we not be tape-recording?
must you not be tape-recording?
must they not be tape-recording? 	must I not have tape-recorded?
must you not have tape-recorded?
must he not have tape-recorded?
must we not have tape-recorded?
must you not have tape-recorded?
must they not have tape-recorded? 	must I not have been tape-recording?
must you not have been tape-recording?
must he not have been tape-recording?
must we not have been tape-recording?
must you not have been tape-recording?
must they not have been tape-recording?