must cake
Regular verb: cake - caked- caked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must cake
you must cake
he must cake
we must cake
you must cake
they must cake 	I must be caking
you must be caking
he must be caking
we must be caking
you must be caking
they must be caking	I must have caked
you must have caked
he must have caked
we must have caked
you must have caked
they must have caked	I must have been caking
you must have been caking
he must have been caking
we must have been caking
you must have been caking
they must have been caking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not cake
you must not cake
he must not cake
we must not cake
you must not cake
they must not cake 	I must not be caking
you must not be caking
he must not be caking
we must not be caking
you must not be caking
they must not be caking	I must not have caked
you must not have caked
he must not have caked
we must not have caked
you must not have caked
they must not have caked	I must not have been caking
you must not have been caking
he must not have been caking
we must not have been caking
you must not have been caking
they must not have been caking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I cake?
must you cake?
must he cake?
must we cake?
must you cake?
must they cake? 	must I be caking?
must you be caking?
must he be caking?
must we be caking?
must you be caking?
must they be caking? 	must I have caked?
must you have caked?
must he have caked?
must we have caked?
must you have caked?
must they have caked? 	must I have been caking?
must you have been caking?
must he have been caking?
must we have been caking?
must you have been caking?
must they have been caking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not cake?
must you not cake?
must he not cake?
must we not cake?
must you not cake?
must they not cake? 	must I not be caking?
must you not be caking?
must he not be caking?
must we not be caking?
must you not be caking?
must they not be caking? 	must I not have caked?
must you not have caked?
must he not have caked?
must we not have caked?
must you not have caked?
must they not have caked? 	must I not have been caking?
must you not have been caking?
must he not have been caking?
must we not have been caking?
must you not have been caking?
must they not have been caking?