Regular verb: coo - cooed - cooed
Simple form | V-ing form |
I could coo you could coo he could coo we could coo you could coo they could coo | I could be cooing you could be cooing he could be cooing we could be cooing you could be cooing they could be cooing |
Perfect | V-ing perfect |
I could have cooed you could have cooed he could have cooed we could have cooed you could have cooed they could have cooed | I could have been cooing you could have been cooing he could have been cooing we could have been cooing you could have been cooing they could have been cooing |
Simple form | V-ing form |
I couldn't coo you couldn't coo he couldn't coo we couldn't coo you couldn't coo they couldn't coo | I couldn't be cooing you couldn't be cooing he couldn't be cooing we couldn't be cooing you couldn't be cooing they couldn't be cooing |
Perfect | V-ing perfect |
I couldn't have cooed you couldn't have cooed he couldn't have cooed we couldn't have cooed you couldn't have cooed they couldn't have cooed | I couldn't have been cooing you couldn't have been cooing he couldn't have been cooing we couldn't have been cooing you couldn't have been cooing they couldn't have been cooing |
Simple form | V-ing form |
could I coo? could you coo? could he coo? could we coo? could you coo? could they coo? | could I be cooing? could you be cooing? could he be cooing? could we be cooing? could you be cooing? could they be cooing? |
Perfect | V-ing perfect |
could I have cooed? could you have cooed? could he have cooed? could we have cooed? could you have cooed? could they have cooed? | could I have been cooing? could you have been cooing? could he have been cooing? could we have been cooing? could you have been cooing? could they have been cooing? |
Simple form | V-ing form |
couldn't I coo? couldn't you coo? couldn't he coo? couldn't we coo? couldn't you coo? couldn't they coo? | couldn't I be cooing? couldn't you be cooing? couldn't he be cooing? couldn't we be cooing? couldn't you be cooing? couldn't they be cooing? |
Perfect | V-ing perfect |
couldn't I have cooed? couldn't you have cooed? couldn't he have cooed? couldn't we have cooed? couldn't you have cooed? couldn't they have cooed? | couldn't I have been cooing? couldn't you have been cooing? couldn't he have been cooing? couldn't we have been cooing? couldn't you have been cooing? couldn't they have been cooing? |