I must attrite you must attrite she must attrite we must attrite you must attrite they must attrite
V-ing form
I must be attriting you must be attriting she must be attriting we must be attriting you must be attriting they must be attriting
Perfect
I must have attrited you must have attrited she must have attrited we must have attrited you must have attrited they must have attrited
V-ing perfect
I must have been attriting you must have been attriting she must have been attriting we must have been attriting you must have been attriting they must have been attriting
Negation
Simple form
I must not attrite you must not attrite she must not attrite we must not attrite you must not attrite they must not attrite
V-ing form
I must not be attriting you must not be attriting she must not be attriting we must not be attriting you must not be attriting they must not be attriting
Perfect
I must not have attrited you must not have attrited she must not have attrited we must not have attrited you must not have attrited they must not have attrited
V-ing perfect
I must not have been attriting you must not have been attriting she must not have been attriting we must not have been attriting you must not have been attriting they must not have been attriting
Interrogative form
Simple form
must I attrite? must you attrite? must she attrite? must we attrite? must you attrite? must they attrite?
V-ing form
must I be attriting? must you be attriting? must she be attriting? must we be attriting? must you be attriting? must they be attriting?
Perfect
must I have attrited? must you have attrited? must she have attrited? must we have attrited? must you have attrited? must they have attrited?
V-ing perfect
must I have been attriting? must you have been attriting? must she have been attriting? must we have been attriting? must you have been attriting? must they have been attriting?
Interro-negative form
Simple form
must I not attrite? must you not attrite? must she not attrite? must we not attrite? must you not attrite? must they not attrite?
V-ing form
must I not be attriting? must you not be attriting? must she not be attriting? must we not be attriting? must you not be attriting? must they not be attriting?
Perfect
must I not have attrited? must you not have attrited? must she not have attrited? must we not have attrited? must you not have attrited? must they not have attrited?
V-ing perfect
must I not have been attriting? must you not have been attriting? must she not have been attriting? must we not have been attriting? must you not have been attriting? must they not have been attriting?