Regular verb: flex - flexed - flexed
Simple form | V-ing form |
I must flex you must flex she must flex we must flex you must flex they must flex | I must be flexing you must be flexing she must be flexing we must be flexing you must be flexing they must be flexing |
Perfect | V-ing perfect |
I must have flexed you must have flexed she must have flexed we must have flexed you must have flexed they must have flexed | I must have been flexing you must have been flexing she must have been flexing we must have been flexing you must have been flexing they must have been flexing |
Simple form | V-ing form |
I mustn't flex you mustn't flex she mustn't flex we mustn't flex you mustn't flex they mustn't flex | I mustn't be flexing you mustn't be flexing she mustn't be flexing we mustn't be flexing you mustn't be flexing they mustn't be flexing |
Perfect | V-ing perfect |
I mustn't have flexed you mustn't have flexed she mustn't have flexed we mustn't have flexed you mustn't have flexed they mustn't have flexed | I mustn't have been flexing you mustn't have been flexing she mustn't have been flexing we mustn't have been flexing you mustn't have been flexing they mustn't have been flexing |
Simple form | V-ing form |
must I flex? must you flex? must she flex? must we flex? must you flex? must they flex? | must I be flexing? must you be flexing? must she be flexing? must we be flexing? must you be flexing? must they be flexing? |
Perfect | V-ing perfect |
must I have flexed? must you have flexed? must she have flexed? must we have flexed? must you have flexed? must they have flexed? | must I have been flexing? must you have been flexing? must she have been flexing? must we have been flexing? must you have been flexing? must they have been flexing? |
Simple form | V-ing form |
mustn't I flex? mustn't you flex? mustn't she flex? mustn't we flex? mustn't you flex? mustn't they flex? | mustn't I be flexing? mustn't you be flexing? mustn't she be flexing? mustn't we be flexing? mustn't you be flexing? mustn't they be flexing? |
Perfect | V-ing perfect |
mustn't I have flexed? mustn't you have flexed? mustn't she have flexed? mustn't we have flexed? mustn't you have flexed? mustn't they have flexed? | mustn't I have been flexing? mustn't you have been flexing? mustn't she have been flexing? mustn't we have been flexing? mustn't you have been flexing? mustn't they have been flexing? |