I must transact you must transact he must transact we must transact you must transact they must transact
V-ing form
I must be transacting you must be transacting he must be transacting we must be transacting you must be transacting they must be transacting
Perfect
I must have transacted you must have transacted he must have transacted we must have transacted you must have transacted they must have transacted
V-ing perfect
I must have been transacting you must have been transacting he must have been transacting we must have been transacting you must have been transacting they must have been transacting
Negation
Simple form
I must not transact you must not transact he must not transact we must not transact you must not transact they must not transact
V-ing form
I must not be transacting you must not be transacting he must not be transacting we must not be transacting you must not be transacting they must not be transacting
Perfect
I must not have transacted you must not have transacted he must not have transacted we must not have transacted you must not have transacted they must not have transacted
V-ing perfect
I must not have been transacting you must not have been transacting he must not have been transacting we must not have been transacting you must not have been transacting they must not have been transacting
Interrogative form
Simple form
must I transact? must you transact? must he transact? must we transact? must you transact? must they transact?
V-ing form
must I be transacting? must you be transacting? must he be transacting? must we be transacting? must you be transacting? must they be transacting?
Perfect
must I have transacted? must you have transacted? must he have transacted? must we have transacted? must you have transacted? must they have transacted?
V-ing perfect
must I have been transacting? must you have been transacting? must he have been transacting? must we have been transacting? must you have been transacting? must they have been transacting?
Interro-negative form
Simple form
must I not transact? must you not transact? must he not transact? must we not transact? must you not transact? must they not transact?
V-ing form
must I not be transacting? must you not be transacting? must he not be transacting? must we not be transacting? must you not be transacting? must they not be transacting?
Perfect
must I not have transacted? must you not have transacted? must he not have transacted? must we not have transacted? must you not have transacted? must they not have transacted?
V-ing perfect
must I not have been transacting? must you not have been transacting? must he not have been transacting? must we not have been transacting? must you not have been transacting? must they not have been transacting?