I must harness you must harness she must harness we must harness you must harness they must harness
Forma con V-ing
I must be harnessing you must be harnessing she must be harnessing we must be harnessing you must be harnessing they must be harnessing
Perfecto
I must have harnessed you must have harnessed she must have harnessed we must have harnessed you must have harnessed they must have harnessed
Perfecto con V-ing
I must have been harnessing you must have been harnessing she must have been harnessing we must have been harnessing you must have been harnessing they must have been harnessing
Negación
Forma simple
I mustn't harness you mustn't harness she mustn't harness we mustn't harness you mustn't harness they mustn't harness
Forma con V-ing
I mustn't be harnessing you mustn't be harnessing she mustn't be harnessing we mustn't be harnessing you mustn't be harnessing they mustn't be harnessing
Perfecto
I mustn't have harnessed you mustn't have harnessed she mustn't have harnessed we mustn't have harnessed you mustn't have harnessed they mustn't have harnessed
Perfecto con V-ing
I mustn't have been harnessing you mustn't have been harnessing she mustn't have been harnessing we mustn't have been harnessing you mustn't have been harnessing they mustn't have been harnessing
Forma interrogativa
Forma simple
must I harness? must you harness? must she harness? must we harness? must you harness? must they harness?
Forma con V-ing
must I be harnessing? must you be harnessing? must she be harnessing? must we be harnessing? must you be harnessing? must they be harnessing?
Perfecto
must I have harnessed? must you have harnessed? must she have harnessed? must we have harnessed? must you have harnessed? must they have harnessed?
Perfecto con V-ing
must I have been harnessing? must you have been harnessing? must she have been harnessing? must we have been harnessing? must you have been harnessing? must they have been harnessing?
Forma interro-negativa
Forma simple
mustn't I harness? mustn't you harness? mustn't she harness? mustn't we harness? mustn't you harness? mustn't they harness?
Forma con V-ing
mustn't I be harnessing? mustn't you be harnessing? mustn't she be harnessing? mustn't we be harnessing? mustn't you be harnessing? mustn't they be harnessing?
Perfecto
mustn't I have harnessed? mustn't you have harnessed? mustn't she have harnessed? mustn't we have harnessed? mustn't you have harnessed? mustn't they have harnessed?
Perfecto con V-ing
mustn't I have been harnessing? mustn't you have been harnessing? mustn't she have been harnessing? mustn't we have been harnessing? mustn't you have been harnessing? mustn't they have been harnessing?