must defence
Regular verb: defence - defenced- defenced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must defence
you must defence
she must defence
we must defence
you must defence
they must defence 	I must be defencing
you must be defencing
she must be defencing
we must be defencing
you must be defencing
they must be defencing	I must have defenced
you must have defenced
she must have defenced
we must have defenced
you must have defenced
they must have defenced	I must have been defencing
you must have been defencing
she must have been defencing
we must have been defencing
you must have been defencing
they must have been defencing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not defence
you must not defence
she must not defence
we must not defence
you must not defence
they must not defence 	I must not be defencing
you must not be defencing
she must not be defencing
we must not be defencing
you must not be defencing
they must not be defencing	I must not have defenced
you must not have defenced
she must not have defenced
we must not have defenced
you must not have defenced
they must not have defenced	I must not have been defencing
you must not have been defencing
she must not have been defencing
we must not have been defencing
you must not have been defencing
they must not have been defencing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I defence?
must you defence?
must she defence?
must we defence?
must you defence?
must they defence? 	must I be defencing?
must you be defencing?
must she be defencing?
must we be defencing?
must you be defencing?
must they be defencing? 	must I have defenced?
must you have defenced?
must she have defenced?
must we have defenced?
must you have defenced?
must they have defenced? 	must I have been defencing?
must you have been defencing?
must she have been defencing?
must we have been defencing?
must you have been defencing?
must they have been defencing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not defence?
must you not defence?
must she not defence?
must we not defence?
must you not defence?
must they not defence? 	must I not be defencing?
must you not be defencing?
must she not be defencing?
must we not be defencing?
must you not be defencing?
must they not be defencing? 	must I not have defenced?
must you not have defenced?
must she not have defenced?
must we not have defenced?
must you not have defenced?
must they not have defenced? 	must I not have been defencing?
must you not have been defencing?
must she not have been defencing?
must we not have been defencing?
must you not have been defencing?
must they not have been defencing?