Regular verb: persist - persisted - persisted
Simple form | V-ing form |
I must persist you must persist he must persist we must persist you must persist they must persist | I must be persisting you must be persisting he must be persisting we must be persisting you must be persisting they must be persisting |
Perfect | V-ing perfect |
I must have persisted you must have persisted he must have persisted we must have persisted you must have persisted they must have persisted | I must have been persisting you must have been persisting he must have been persisting we must have been persisting you must have been persisting they must have been persisting |
Simple form | V-ing form |
I must not persist you must not persist he must not persist we must not persist you must not persist they must not persist | I must not be persisting you must not be persisting he must not be persisting we must not be persisting you must not be persisting they must not be persisting |
Perfect | V-ing perfect |
I must not have persisted you must not have persisted he must not have persisted we must not have persisted you must not have persisted they must not have persisted | I must not have been persisting you must not have been persisting he must not have been persisting we must not have been persisting you must not have been persisting they must not have been persisting |
Simple form | V-ing form |
must I persist? must you persist? must he persist? must we persist? must you persist? must they persist? | must I be persisting? must you be persisting? must he be persisting? must we be persisting? must you be persisting? must they be persisting? |
Perfect | V-ing perfect |
must I have persisted? must you have persisted? must he have persisted? must we have persisted? must you have persisted? must they have persisted? | must I have been persisting? must you have been persisting? must he have been persisting? must we have been persisting? must you have been persisting? must they have been persisting? |
Simple form | V-ing form |
must I not persist? must you not persist? must he not persist? must we not persist? must you not persist? must they not persist? | must I not be persisting? must you not be persisting? must he not be persisting? must we not be persisting? must you not be persisting? must they not be persisting? |
Perfect | V-ing perfect |
must I not have persisted? must you not have persisted? must he not have persisted? must we not have persisted? must you not have persisted? must they not have persisted? | must I not have been persisting? must you not have been persisting? must he not have been persisting? must we not have been persisting? must you not have been persisting? must they not have been persisting? |