I must shine you must shine he must shine we must shine you must shine they must shine
V-ing form
I must be shining you must be shining he must be shining we must be shining you must be shining they must be shining
Perfect
I must have shined, shone you must have shined, shone he must have shined, shone we must have shined, shone you must have shined, shone they must have shined, shone
V-ing perfect
I must have been shining you must have been shining he must have been shining we must have been shining you must have been shining they must have been shining
Negation
Simple form
I mustn't shine you mustn't shine he mustn't shine we mustn't shine you mustn't shine they mustn't shine
V-ing form
I mustn't be shining you mustn't be shining he mustn't be shining we mustn't be shining you mustn't be shining they mustn't be shining
Perfect
I mustn't have shined, shone you mustn't have shined, shone he mustn't have shined, shone we mustn't have shined, shone you mustn't have shined, shone they mustn't have shined, shone
V-ing perfect
I mustn't have been shining you mustn't have been shining he mustn't have been shining we mustn't have been shining you mustn't have been shining they mustn't have been shining
Interrogative form
Simple form
must I shine? must you shine? must he shine? must we shine? must you shine? must they shine?
V-ing form
must I be shining? must you be shining? must he be shining? must we be shining? must you be shining? must they be shining?
Perfect
must I have shined, shone? must you have shined, shone? must he have shined, shone? must we have shined, shone? must you have shined, shone? must they have shined, shone?
V-ing perfect
must I have been shining? must you have been shining? must he have been shining? must we have been shining? must you have been shining? must they have been shining?
Interro-negative form
Simple form
mustn't I shine? mustn't you shine? mustn't he shine? mustn't we shine? mustn't you shine? mustn't they shine?
V-ing form
mustn't I be shining? mustn't you be shining? mustn't he be shining? mustn't we be shining? mustn't you be shining? mustn't they be shining?
Perfect
mustn't I have shined, shone? mustn't you have shined, shone? mustn't he have shined, shone? mustn't we have shined, shone? mustn't you have shined, shone? mustn't they have shined, shone?
V-ing perfect
mustn't I have been shining? mustn't you have been shining? mustn't he have been shining? mustn't we have been shining? mustn't you have been shining? mustn't they have been shining?