I must spread-eagle you must spread-eagle he must spread-eagle we must spread-eagle you must spread-eagle they must spread-eagle
V-ing form
I must be spread-eagling you must be spread-eagling he must be spread-eagling we must be spread-eagling you must be spread-eagling they must be spread-eagling
Perfect
I must have spread-eagled you must have spread-eagled he must have spread-eagled we must have spread-eagled you must have spread-eagled they must have spread-eagled
V-ing perfect
I must have been spread-eagling you must have been spread-eagling he must have been spread-eagling we must have been spread-eagling you must have been spread-eagling they must have been spread-eagling
Negation
Simple form
I mustn't spread-eagle you mustn't spread-eagle he mustn't spread-eagle we mustn't spread-eagle you mustn't spread-eagle they mustn't spread-eagle
V-ing form
I mustn't be spread-eagling you mustn't be spread-eagling he mustn't be spread-eagling we mustn't be spread-eagling you mustn't be spread-eagling they mustn't be spread-eagling
Perfect
I mustn't have spread-eagled you mustn't have spread-eagled he mustn't have spread-eagled we mustn't have spread-eagled you mustn't have spread-eagled they mustn't have spread-eagled
V-ing perfect
I mustn't have been spread-eagling you mustn't have been spread-eagling he mustn't have been spread-eagling we mustn't have been spread-eagling you mustn't have been spread-eagling they mustn't have been spread-eagling
Interrogative form
Simple form
must I spread-eagle? must you spread-eagle? must he spread-eagle? must we spread-eagle? must you spread-eagle? must they spread-eagle?
V-ing form
must I be spread-eagling? must you be spread-eagling? must he be spread-eagling? must we be spread-eagling? must you be spread-eagling? must they be spread-eagling?
Perfect
must I have spread-eagled? must you have spread-eagled? must he have spread-eagled? must we have spread-eagled? must you have spread-eagled? must they have spread-eagled?
V-ing perfect
must I have been spread-eagling? must you have been spread-eagling? must he have been spread-eagling? must we have been spread-eagling? must you have been spread-eagling? must they have been spread-eagling?
Interro-negative form
Simple form
mustn't I spread-eagle? mustn't you spread-eagle? mustn't he spread-eagle? mustn't we spread-eagle? mustn't you spread-eagle? mustn't they spread-eagle?
V-ing form
mustn't I be spread-eagling? mustn't you be spread-eagling? mustn't he be spread-eagling? mustn't we be spread-eagling? mustn't you be spread-eagling? mustn't they be spread-eagling?
Perfect
mustn't I have spread-eagled? mustn't you have spread-eagled? mustn't he have spread-eagled? mustn't we have spread-eagled? mustn't you have spread-eagled? mustn't they have spread-eagled?
V-ing perfect
mustn't I have been spread-eagling? mustn't you have been spread-eagling? mustn't he have been spread-eagling? mustn't we have been spread-eagling? mustn't you have been spread-eagling? mustn't they have been spread-eagling?