Regular verb: fumble - fumbled - fumbled
Simple form | V-ing form |
I must fumble you must fumble he must fumble we must fumble you must fumble they must fumble | I must be fumbling you must be fumbling he must be fumbling we must be fumbling you must be fumbling they must be fumbling |
Perfect | V-ing perfect |
I must have fumbled you must have fumbled he must have fumbled we must have fumbled you must have fumbled they must have fumbled | I must have been fumbling you must have been fumbling he must have been fumbling we must have been fumbling you must have been fumbling they must have been fumbling |
Simple form | V-ing form |
I must not fumble you must not fumble he must not fumble we must not fumble you must not fumble they must not fumble | I must not be fumbling you must not be fumbling he must not be fumbling we must not be fumbling you must not be fumbling they must not be fumbling |
Perfect | V-ing perfect |
I must not have fumbled you must not have fumbled he must not have fumbled we must not have fumbled you must not have fumbled they must not have fumbled | I must not have been fumbling you must not have been fumbling he must not have been fumbling we must not have been fumbling you must not have been fumbling they must not have been fumbling |
Simple form | V-ing form |
must I fumble? must you fumble? must he fumble? must we fumble? must you fumble? must they fumble? | must I be fumbling? must you be fumbling? must he be fumbling? must we be fumbling? must you be fumbling? must they be fumbling? |
Perfect | V-ing perfect |
must I have fumbled? must you have fumbled? must he have fumbled? must we have fumbled? must you have fumbled? must they have fumbled? | must I have been fumbling? must you have been fumbling? must he have been fumbling? must we have been fumbling? must you have been fumbling? must they have been fumbling? |
Simple form | V-ing form |
must I not fumble? must you not fumble? must he not fumble? must we not fumble? must you not fumble? must they not fumble? | must I not be fumbling? must you not be fumbling? must he not be fumbling? must we not be fumbling? must you not be fumbling? must they not be fumbling? |
Perfect | V-ing perfect |
must I not have fumbled? must you not have fumbled? must he not have fumbled? must we not have fumbled? must you not have fumbled? must they not have fumbled? | must I not have been fumbling? must you not have been fumbling? must he not have been fumbling? must we not have been fumbling? must you not have been fumbling? must they not have been fumbling? |