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