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