must christen
Regular verb: christen - christened- christened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must christen
you must christen
she must christen
we must christen
you must christen
they must christen 	I must be christening
you must be christening
she must be christening
we must be christening
you must be christening
they must be christening	I must have christened
you must have christened
she must have christened
we must have christened
you must have christened
they must have christened	I must have been christening
you must have been christening
she must have been christening
we must have been christening
you must have been christening
they must have been christening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not christen
you must not christen
she must not christen
we must not christen
you must not christen
they must not christen 	I must not be christening
you must not be christening
she must not be christening
we must not be christening
you must not be christening
they must not be christening	I must not have christened
you must not have christened
she must not have christened
we must not have christened
you must not have christened
they must not have christened	I must not have been christening
you must not have been christening
she must not have been christening
we must not have been christening
you must not have been christening
they must not have been christening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I christen?
must you christen?
must she christen?
must we christen?
must you christen?
must they christen? 	must I be christening?
must you be christening?
must she be christening?
must we be christening?
must you be christening?
must they be christening? 	must I have christened?
must you have christened?
must she have christened?
must we have christened?
must you have christened?
must they have christened? 	must I have been christening?
must you have been christening?
must she have been christening?
must we have been christening?
must you have been christening?
must they have been christening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not christen?
must you not christen?
must she not christen?
must we not christen?
must you not christen?
must they not christen? 	must I not be christening?
must you not be christening?
must she not be christening?
must we not be christening?
must you not be christening?
must they not be christening? 	must I not have christened?
must you not have christened?
must she not have christened?
must we not have christened?
must you not have christened?
must they not have christened? 	must I not have been christening?
must you not have been christening?
must she not have been christening?
must we not have been christening?
must you not have been christening?
must they not have been christening?