must dry-clean
Regular verb: dry-clean - dry-cleaned- dry-cleaned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must dry-clean
you must dry-clean
he must dry-clean
we must dry-clean
you must dry-clean
they must dry-clean 	I must be dry-cleaning
you must be dry-cleaning
he must be dry-cleaning
we must be dry-cleaning
you must be dry-cleaning
they must be dry-cleaning	I must have dry-cleaned
you must have dry-cleaned
he must have dry-cleaned
we must have dry-cleaned
you must have dry-cleaned
they must have dry-cleaned	I must have been dry-cleaning
you must have been dry-cleaning
he must have been dry-cleaning
we must have been dry-cleaning
you must have been dry-cleaning
they must have been dry-cleaning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not dry-clean
you must not dry-clean
he must not dry-clean
we must not dry-clean
you must not dry-clean
they must not dry-clean 	I must not be dry-cleaning
you must not be dry-cleaning
he must not be dry-cleaning
we must not be dry-cleaning
you must not be dry-cleaning
they must not be dry-cleaning	I must not have dry-cleaned
you must not have dry-cleaned
he must not have dry-cleaned
we must not have dry-cleaned
you must not have dry-cleaned
they must not have dry-cleaned	I must not have been dry-cleaning
you must not have been dry-cleaning
he must not have been dry-cleaning
we must not have been dry-cleaning
you must not have been dry-cleaning
they must not have been dry-cleaning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I dry-clean?
must you dry-clean?
must he dry-clean?
must we dry-clean?
must you dry-clean?
must they dry-clean? 	must I be dry-cleaning?
must you be dry-cleaning?
must he be dry-cleaning?
must we be dry-cleaning?
must you be dry-cleaning?
must they be dry-cleaning? 	must I have dry-cleaned?
must you have dry-cleaned?
must he have dry-cleaned?
must we have dry-cleaned?
must you have dry-cleaned?
must they have dry-cleaned? 	must I have been dry-cleaning?
must you have been dry-cleaning?
must he have been dry-cleaning?
must we have been dry-cleaning?
must you have been dry-cleaning?
must they have been dry-cleaning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not dry-clean?
must you not dry-clean?
must he not dry-clean?
must we not dry-clean?
must you not dry-clean?
must they not dry-clean? 	must I not be dry-cleaning?
must you not be dry-cleaning?
must he not be dry-cleaning?
must we not be dry-cleaning?
must you not be dry-cleaning?
must they not be dry-cleaning? 	must I not have dry-cleaned?
must you not have dry-cleaned?
must he not have dry-cleaned?
must we not have dry-cleaned?
must you not have dry-cleaned?
must they not have dry-cleaned? 	must I not have been dry-cleaning?
must you not have been dry-cleaning?
must he not have been dry-cleaning?
must we not have been dry-cleaning?
must you not have been dry-cleaning?
must they not have been dry-cleaning?