Regular verb: stumble - stumbled - stumbled
Simple form | V-ing form |
I should stumble you should stumble he should stumble we should stumble you should stumble they should stumble | I should be stumbling you should be stumbling he should be stumbling we should be stumbling you should be stumbling they should be stumbling |
Perfect | V-ing perfect |
I should have stumbled you should have stumbled he should have stumbled we should have stumbled you should have stumbled they should have stumbled | I should have been stumbling you should have been stumbling he should have been stumbling we should have been stumbling you should have been stumbling they should have been stumbling |
Simple form | V-ing form |
I should not stumble you should not stumble he should not stumble we should not stumble you should not stumble they should not stumble | I should not be stumbling you should not be stumbling he should not be stumbling we should not be stumbling you should not be stumbling they should not be stumbling |
Perfect | V-ing perfect |
I should not have stumbled you should not have stumbled he should not have stumbled we should not have stumbled you should not have stumbled they should not have stumbled | I should not have been stumbling you should not have been stumbling he should not have been stumbling we should not have been stumbling you should not have been stumbling they should not have been stumbling |
Simple form | V-ing form |
should I stumble? should you stumble? should he stumble? should we stumble? should you stumble? should they stumble? | should I be stumbling? should you be stumbling? should he be stumbling? should we be stumbling? should you be stumbling? should they be stumbling? |
Perfect | V-ing perfect |
should I have stumbled? should you have stumbled? should he have stumbled? should we have stumbled? should you have stumbled? should they have stumbled? | should I have been stumbling? should you have been stumbling? should he have been stumbling? should we have been stumbling? should you have been stumbling? should they have been stumbling? |
Simple form | V-ing form |
should I not stumble? should you not stumble? should he not stumble? should we not stumble? should you not stumble? should they not stumble? | should I not be stumbling? should you not be stumbling? should he not be stumbling? should we not be stumbling? should you not be stumbling? should they not be stumbling? |
Perfect | V-ing perfect |
should I not have stumbled? should you not have stumbled? should he not have stumbled? should we not have stumbled? should you not have stumbled? should they not have stumbled? | should I not have been stumbling? should you not have been stumbling? should he not have been stumbling? should we not have been stumbling? should you not have been stumbling? should they not have been stumbling? |