Regular verb: leapfrog - leapfroged - leapfroged
Simple form | V-ing form |
I must leapfrog you must leapfrog he must leapfrog we must leapfrog you must leapfrog they must leapfrog | I must be leapfroging you must be leapfroging he must be leapfroging we must be leapfroging you must be leapfroging they must be leapfroging |
Perfect | V-ing perfect |
I must have leapfroged you must have leapfroged he must have leapfroged we must have leapfroged you must have leapfroged they must have leapfroged | I must have been leapfroging you must have been leapfroging he must have been leapfroging we must have been leapfroging you must have been leapfroging they must have been leapfroging |
Simple form | V-ing form |
I must not leapfrog you must not leapfrog he must not leapfrog we must not leapfrog you must not leapfrog they must not leapfrog | I must not be leapfroging you must not be leapfroging he must not be leapfroging we must not be leapfroging you must not be leapfroging they must not be leapfroging |
Perfect | V-ing perfect |
I must not have leapfroged you must not have leapfroged he must not have leapfroged we must not have leapfroged you must not have leapfroged they must not have leapfroged | I must not have been leapfroging you must not have been leapfroging he must not have been leapfroging we must not have been leapfroging you must not have been leapfroging they must not have been leapfroging |
Simple form | V-ing form |
must I leapfrog? must you leapfrog? must he leapfrog? must we leapfrog? must you leapfrog? must they leapfrog? | must I be leapfroging? must you be leapfroging? must he be leapfroging? must we be leapfroging? must you be leapfroging? must they be leapfroging? |
Perfect | V-ing perfect |
must I have leapfroged? must you have leapfroged? must he have leapfroged? must we have leapfroged? must you have leapfroged? must they have leapfroged? | must I have been leapfroging? must you have been leapfroging? must he have been leapfroging? must we have been leapfroging? must you have been leapfroging? must they have been leapfroging? |
Simple form | V-ing form |
must I not leapfrog? must you not leapfrog? must he not leapfrog? must we not leapfrog? must you not leapfrog? must they not leapfrog? | must I not be leapfroging? must you not be leapfroging? must he not be leapfroging? must we not be leapfroging? must you not be leapfroging? must they not be leapfroging? |
Perfect | V-ing perfect |
must I not have leapfroged? must you not have leapfroged? must he not have leapfroged? must we not have leapfroged? must you not have leapfroged? must they not have leapfroged? | must I not have been leapfroging? must you not have been leapfroging? must he not have been leapfroging? must we not have been leapfroging? must you not have been leapfroging? must they not have been leapfroging? |