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