I must hoist you must hoist he must hoist we must hoist you must hoist they must hoist
V-ing form
I must be hoisting you must be hoisting he must be hoisting we must be hoisting you must be hoisting they must be hoisting
Perfect
I must have hoisted you must have hoisted he must have hoisted we must have hoisted you must have hoisted they must have hoisted
V-ing perfect
I must have been hoisting you must have been hoisting he must have been hoisting we must have been hoisting you must have been hoisting they must have been hoisting
Negation
Simple form
I must not hoist you must not hoist he must not hoist we must not hoist you must not hoist they must not hoist
V-ing form
I must not be hoisting you must not be hoisting he must not be hoisting we must not be hoisting you must not be hoisting they must not be hoisting
Perfect
I must not have hoisted you must not have hoisted he must not have hoisted we must not have hoisted you must not have hoisted they must not have hoisted
V-ing perfect
I must not have been hoisting you must not have been hoisting he must not have been hoisting we must not have been hoisting you must not have been hoisting they must not have been hoisting
Interrogative form
Simple form
must I hoist? must you hoist? must he hoist? must we hoist? must you hoist? must they hoist?
V-ing form
must I be hoisting? must you be hoisting? must he be hoisting? must we be hoisting? must you be hoisting? must they be hoisting?
Perfect
must I have hoisted? must you have hoisted? must he have hoisted? must we have hoisted? must you have hoisted? must they have hoisted?
V-ing perfect
must I have been hoisting? must you have been hoisting? must he have been hoisting? must we have been hoisting? must you have been hoisting? must they have been hoisting?
Interro-negative form
Simple form
must I not hoist? must you not hoist? must he not hoist? must we not hoist? must you not hoist? must they not hoist?
V-ing form
must I not be hoisting? must you not be hoisting? must he not be hoisting? must we not be hoisting? must you not be hoisting? must they not be hoisting?
Perfect
must I not have hoisted? must you not have hoisted? must he not have hoisted? must we not have hoisted? must you not have hoisted? must they not have hoisted?
V-ing perfect
must I not have been hoisting? must you not have been hoisting? must he not have been hoisting? must we not have been hoisting? must you not have been hoisting? must they not have been hoisting?