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