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