must botanize
Regular verb: botanize - botanized- botanized

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must botanize
you must botanize
he must botanize
we must botanize
you must botanize
they must botanize 	I must be botanizing
you must be botanizing
he must be botanizing
we must be botanizing
you must be botanizing
they must be botanizing	I must have botanized
you must have botanized
he must have botanized
we must have botanized
you must have botanized
they must have botanized	I must have been botanizing
you must have been botanizing
he must have been botanizing
we must have been botanizing
you must have been botanizing
they must have been botanizing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not botanize
you must not botanize
he must not botanize
we must not botanize
you must not botanize
they must not botanize 	I must not be botanizing
you must not be botanizing
he must not be botanizing
we must not be botanizing
you must not be botanizing
they must not be botanizing	I must not have botanized
you must not have botanized
he must not have botanized
we must not have botanized
you must not have botanized
they must not have botanized	I must not have been botanizing
you must not have been botanizing
he must not have been botanizing
we must not have been botanizing
you must not have been botanizing
they must not have been botanizing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I botanize?
must you botanize?
must he botanize?
must we botanize?
must you botanize?
must they botanize? 	must I be botanizing?
must you be botanizing?
must he be botanizing?
must we be botanizing?
must you be botanizing?
must they be botanizing? 	must I have botanized?
must you have botanized?
must he have botanized?
must we have botanized?
must you have botanized?
must they have botanized? 	must I have been botanizing?
must you have been botanizing?
must he have been botanizing?
must we have been botanizing?
must you have been botanizing?
must they have been botanizing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not botanize?
must you not botanize?
must he not botanize?
must we not botanize?
must you not botanize?
must they not botanize? 	must I not be botanizing?
must you not be botanizing?
must he not be botanizing?
must we not be botanizing?
must you not be botanizing?
must they not be botanizing? 	must I not have botanized?
must you not have botanized?
must he not have botanized?
must we not have botanized?
must you not have botanized?
must they not have botanized? 	must I not have been botanizing?
must you not have been botanizing?
must he not have been botanizing?
must we not have been botanizing?
must you not have been botanizing?
must they not have been botanizing?