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