I must turpentine you must turpentine she must turpentine we must turpentine you must turpentine they must turpentine
V-ing form
I must be turpentining you must be turpentining she must be turpentining we must be turpentining you must be turpentining they must be turpentining
Perfect
I must have turpentined you must have turpentined she must have turpentined we must have turpentined you must have turpentined they must have turpentined
V-ing perfect
I must have been turpentining you must have been turpentining she must have been turpentining we must have been turpentining you must have been turpentining they must have been turpentining
Negation
Simple form
I must not turpentine you must not turpentine she must not turpentine we must not turpentine you must not turpentine they must not turpentine
V-ing form
I must not be turpentining you must not be turpentining she must not be turpentining we must not be turpentining you must not be turpentining they must not be turpentining
Perfect
I must not have turpentined you must not have turpentined she must not have turpentined we must not have turpentined you must not have turpentined they must not have turpentined
V-ing perfect
I must not have been turpentining you must not have been turpentining she must not have been turpentining we must not have been turpentining you must not have been turpentining they must not have been turpentining
Interrogative form
Simple form
must I turpentine? must you turpentine? must she turpentine? must we turpentine? must you turpentine? must they turpentine?
V-ing form
must I be turpentining? must you be turpentining? must she be turpentining? must we be turpentining? must you be turpentining? must they be turpentining?
Perfect
must I have turpentined? must you have turpentined? must she have turpentined? must we have turpentined? must you have turpentined? must they have turpentined?
V-ing perfect
must I have been turpentining? must you have been turpentining? must she have been turpentining? must we have been turpentining? must you have been turpentining? must they have been turpentining?
Interro-negative form
Simple form
must I not turpentine? must you not turpentine? must she not turpentine? must we not turpentine? must you not turpentine? must they not turpentine?
V-ing form
must I not be turpentining? must you not be turpentining? must she not be turpentining? must we not be turpentining? must you not be turpentining? must they not be turpentining?
Perfect
must I not have turpentined? must you not have turpentined? must she not have turpentined? must we not have turpentined? must you not have turpentined? must they not have turpentined?
V-ing perfect
must I not have been turpentining? must you not have been turpentining? must she not have been turpentining? must we not have been turpentining? must you not have been turpentining? must they not have been turpentining?