English verb conjugation
MUST FEND

Regular verb: fend - fended - fended

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
I mustn't fend you mustn't fend she mustn't fend we mustn't fend you mustn't fend they mustn't fend	I mustn't be fending you mustn't be fending she mustn't be fending we mustn't be fending you mustn't be fending they mustn't be fending
Perfect	V-ing perfect
I mustn't have fended you mustn't have fended she mustn't have fended we mustn't have fended you mustn't have fended they mustn't have fended	I mustn't have been fending you mustn't have been fending she mustn't have been fending we mustn't have been fending you mustn't have been fending they mustn't have been fending

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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
mustn't I fend? mustn't you fend? mustn't she fend? mustn't we fend? mustn't you fend? mustn't they fend?	mustn't I be fending? mustn't you be fending? mustn't she be fending? mustn't we be fending? mustn't you be fending? mustn't they be fending?
Perfect	V-ing perfect
mustn't I have fended? mustn't you have fended? mustn't she have fended? mustn't we have fended? mustn't you have fended? mustn't they have fended?	mustn't I have been fending? mustn't you have been fending? mustn't she have been fending? mustn't we have been fending? mustn't you have been fending? mustn't they have been fending?