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