Regular verb: walk - walked - walked
Simple form | V-ing form |
I must walk you must walk he must walk we must walk you must walk they must walk | I must be walking you must be walking he must be walking we must be walking you must be walking they must be walking |
Perfect | V-ing perfect |
I must have walked you must have walked he must have walked we must have walked you must have walked they must have walked | I must have been walking you must have been walking he must have been walking we must have been walking you must have been walking they must have been walking |
Simple form | V-ing form |
I mustn't walk you mustn't walk he mustn't walk we mustn't walk you mustn't walk they mustn't walk | I mustn't be walking you mustn't be walking he mustn't be walking we mustn't be walking you mustn't be walking they mustn't be walking |
Perfect | V-ing perfect |
I mustn't have walked you mustn't have walked he mustn't have walked we mustn't have walked you mustn't have walked they mustn't have walked | I mustn't have been walking you mustn't have been walking he mustn't have been walking we mustn't have been walking you mustn't have been walking they mustn't have been walking |
Simple form | V-ing form |
must I walk? must you walk? must he walk? must we walk? must you walk? must they walk? | must I be walking? must you be walking? must he be walking? must we be walking? must you be walking? must they be walking? |
Perfect | V-ing perfect |
must I have walked? must you have walked? must he have walked? must we have walked? must you have walked? must they have walked? | must I have been walking? must you have been walking? must he have been walking? must we have been walking? must you have been walking? must they have been walking? |
Simple form | V-ing form |
mustn't I walk? mustn't you walk? mustn't he walk? mustn't we walk? mustn't you walk? mustn't they walk? | mustn't I be walking? mustn't you be walking? mustn't he be walking? mustn't we be walking? mustn't you be walking? mustn't they be walking? |
Perfect | V-ing perfect |
mustn't I have walked? mustn't you have walked? mustn't he have walked? mustn't we have walked? mustn't you have walked? mustn't they have walked? | mustn't I have been walking? mustn't you have been walking? mustn't he have been walking? mustn't we have been walking? mustn't you have been walking? mustn't they have been walking? |