must fend
Regular verb: fend - fended- fended

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fend
you must fend
she must fend
we must fend
you must fend
they must fend 	I must be fending
you must be fending
she must be fending
we must be fending
you must be fending
they must be fending	I must have fended
you must have fended
she must have fended
we must have fended
you must have fended
they must have fended	I must have been fending
you must have been fending
she must have been fending
we must have been fending
you must have been fending
they must have been fending	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not fend
you must not fend
she must not fend
we must not fend
you must not fend
they must not fend 	I must not be fending
you must not be fending
she must not be fending
we must not be fending
you must not be fending
they must not be fending	I must not have fended
you must not have fended
she must not have fended
we must not have fended
you must not have fended
they must not have fended	I must not have been fending
you must not have been fending
she must not have been fending
we must not have been fending
you must not have been fending
they must not have been fending	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fend?
must you fend?
must she fend?
must we fend?
must you fend?
must they fend? 	must I be fending?
must you be fending?
must she be fending?
must we be fending?
must you be fending?
must they be fending? 	must I have fended?
must you have fended?
must she have fended?
must we have fended?
must you have fended?
must they have fended? 	must I have been fending?
must you have been fending?
must she have been fending?
must we have been fending?
must you have been fending?
must they have been fending? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not fend?
must you not fend?
must she not fend?
must we not fend?
must you not fend?
must they not fend? 	must I not be fending?
must you not be fending?
must she not be fending?
must we not be fending?
must you not be fending?
must they not be fending? 	must I not have fended?
must you not have fended?
must she not have fended?
must we not have fended?
must you not have fended?
must they not have fended? 	must I not have been fending?
must you not have been fending?
must she not have been fending?
must we not have been fending?
must you not have been fending?
must they not have been fending?