Regular verb: attack - attacked - attacked
Simple form | V-ing form |
I could attack you could attack she could attack we could attack you could attack they could attack | I could be attacking you could be attacking she could be attacking we could be attacking you could be attacking they could be attacking |
Perfect | V-ing perfect |
I could have attacked you could have attacked she could have attacked we could have attacked you could have attacked they could have attacked | I could have been attacking you could have been attacking she could have been attacking we could have been attacking you could have been attacking they could have been attacking |
Simple form | V-ing form |
I couldn't attack you couldn't attack she couldn't attack we couldn't attack you couldn't attack they couldn't attack | I couldn't be attacking you couldn't be attacking she couldn't be attacking we couldn't be attacking you couldn't be attacking they couldn't be attacking |
Perfect | V-ing perfect |
I couldn't have attacked you couldn't have attacked she couldn't have attacked we couldn't have attacked you couldn't have attacked they couldn't have attacked | I couldn't have been attacking you couldn't have been attacking she couldn't have been attacking we couldn't have been attacking you couldn't have been attacking they couldn't have been attacking |
Simple form | V-ing form |
could I attack? could you attack? could she attack? could we attack? could you attack? could they attack? | could I be attacking? could you be attacking? could she be attacking? could we be attacking? could you be attacking? could they be attacking? |
Perfect | V-ing perfect |
could I have attacked? could you have attacked? could she have attacked? could we have attacked? could you have attacked? could they have attacked? | could I have been attacking? could you have been attacking? could she have been attacking? could we have been attacking? could you have been attacking? could they have been attacking? |
Simple form | V-ing form |
couldn't I attack? couldn't you attack? couldn't she attack? couldn't we attack? couldn't you attack? couldn't they attack? | couldn't I be attacking? couldn't you be attacking? couldn't she be attacking? couldn't we be attacking? couldn't you be attacking? couldn't they be attacking? |
Perfect | V-ing perfect |
couldn't I have attacked? couldn't you have attacked? couldn't she have attacked? couldn't we have attacked? couldn't you have attacked? couldn't they have attacked? | couldn't I have been attacking? couldn't you have been attacking? couldn't she have been attacking? couldn't we have been attacking? couldn't you have been attacking? couldn't they have been attacking? |