I must entwine you must entwine she must entwine we must entwine you must entwine they must entwine
V-ing form
I must be entwining you must be entwining she must be entwining we must be entwining you must be entwining they must be entwining
Perfect
I must have entwined you must have entwined she must have entwined we must have entwined you must have entwined they must have entwined
V-ing perfect
I must have been entwining you must have been entwining she must have been entwining we must have been entwining you must have been entwining they must have been entwining
Negation
Simple form
I mustn't entwine you mustn't entwine she mustn't entwine we mustn't entwine you mustn't entwine they mustn't entwine
V-ing form
I mustn't be entwining you mustn't be entwining she mustn't be entwining we mustn't be entwining you mustn't be entwining they mustn't be entwining
Perfect
I mustn't have entwined you mustn't have entwined she mustn't have entwined we mustn't have entwined you mustn't have entwined they mustn't have entwined
V-ing perfect
I mustn't have been entwining you mustn't have been entwining she mustn't have been entwining we mustn't have been entwining you mustn't have been entwining they mustn't have been entwining
Interrogative form
Simple form
must I entwine? must you entwine? must she entwine? must we entwine? must you entwine? must they entwine?
V-ing form
must I be entwining? must you be entwining? must she be entwining? must we be entwining? must you be entwining? must they be entwining?
Perfect
must I have entwined? must you have entwined? must she have entwined? must we have entwined? must you have entwined? must they have entwined?
V-ing perfect
must I have been entwining? must you have been entwining? must she have been entwining? must we have been entwining? must you have been entwining? must they have been entwining?
Interro-negative form
Simple form
mustn't I entwine? mustn't you entwine? mustn't she entwine? mustn't we entwine? mustn't you entwine? mustn't they entwine?
V-ing form
mustn't I be entwining? mustn't you be entwining? mustn't she be entwining? mustn't we be entwining? mustn't you be entwining? mustn't they be entwining?
Perfect
mustn't I have entwined? mustn't you have entwined? mustn't she have entwined? mustn't we have entwined? mustn't you have entwined? mustn't they have entwined?
V-ing perfect
mustn't I have been entwining? mustn't you have been entwining? mustn't she have been entwining? mustn't we have been entwining? mustn't you have been entwining? mustn't they have been entwining?