English verb conjugation
MUST TEND

Regular verb: tend - tended - tended

Affirmation

Simple form	V-ing form
I must tend you must tend she must tend we must tend you must tend they must tend	I must be tending you must be tending she must be tending we must be tending you must be tending they must be tending
Perfect	V-ing perfect
I must have tended you must have tended she must have tended we must have tended you must have tended they must have tended	I must have been tending you must have been tending she must have been tending we must have been tending you must have been tending they must have been tending

Negation

Simple form	V-ing form
I mustn't tend you mustn't tend she mustn't tend we mustn't tend you mustn't tend they mustn't tend	I mustn't be tending you mustn't be tending she mustn't be tending we mustn't be tending you mustn't be tending they mustn't be tending
Perfect	V-ing perfect
I mustn't have tended you mustn't have tended she mustn't have tended we mustn't have tended you mustn't have tended they mustn't have tended	I mustn't have been tending you mustn't have been tending she mustn't have been tending we mustn't have been tending you mustn't have been tending they mustn't have been tending

Interrogative form

Simple form	V-ing form
must I tend? must you tend? must she tend? must we tend? must you tend? must they tend?	must I be tending? must you be tending? must she be tending? must we be tending? must you be tending? must they be tending?
Perfect	V-ing perfect
must I have tended? must you have tended? must she have tended? must we have tended? must you have tended? must they have tended?	must I have been tending? must you have been tending? must she have been tending? must we have been tending? must you have been tending? must they have been tending?

Interro-negative form

Simple form	V-ing form
mustn't I tend? mustn't you tend? mustn't she tend? mustn't we tend? mustn't you tend? mustn't they tend?	mustn't I be tending? mustn't you be tending? mustn't she be tending? mustn't we be tending? mustn't you be tending? mustn't they be tending?
Perfect	V-ing perfect
mustn't I have tended? mustn't you have tended? mustn't she have tended? mustn't we have tended? mustn't you have tended? mustn't they have tended?	mustn't I have been tending? mustn't you have been tending? mustn't she have been tending? mustn't we have been tending? mustn't you have been tending? mustn't they have been tending?