Regular verb: crack - cracked - cracked
Simple form | V-ing form |
I may crack you may crack he may crack we may crack you may crack they may crack | I may be cracking you may be cracking he may be cracking we may be cracking you may be cracking they may be cracking |
Perfect | V-ing perfect |
I may have cracked you may have cracked he may have cracked we may have cracked you may have cracked they may have cracked | I may have been cracking you may have been cracking he may have been cracking we may have been cracking you may have been cracking they may have been cracking |
Simple form | V-ing form |
I mayn't crack you mayn't crack he mayn't crack we mayn't crack you mayn't crack they mayn't crack | I mayn't be cracking you mayn't be cracking he mayn't be cracking we mayn't be cracking you mayn't be cracking they mayn't be cracking |
Perfect | V-ing perfect |
I mayn't have cracked you mayn't have cracked he mayn't have cracked we mayn't have cracked you mayn't have cracked they mayn't have cracked | I mayn't have been cracking you mayn't have been cracking he mayn't have been cracking we mayn't have been cracking you mayn't have been cracking they mayn't have been cracking |
Simple form | V-ing form |
may I crack? may you crack? may he crack? may we crack? may you crack? may they crack? | may I be cracking? may you be cracking? may he be cracking? may we be cracking? may you be cracking? may they be cracking? |
Perfect | V-ing perfect |
may I have cracked? may you have cracked? may he have cracked? may we have cracked? may you have cracked? may they have cracked? | may I have been cracking? may you have been cracking? may he have been cracking? may we have been cracking? may you have been cracking? may they have been cracking? |
Simple form | V-ing form |
mayn't I crack? mayn't you crack? mayn't he crack? mayn't we crack? mayn't you crack? mayn't they crack? | mayn't I be cracking? mayn't you be cracking? mayn't he be cracking? mayn't we be cracking? mayn't you be cracking? mayn't they be cracking? |
Perfect | V-ing perfect |
mayn't I have cracked? mayn't you have cracked? mayn't he have cracked? mayn't we have cracked? mayn't you have cracked? mayn't they have cracked? | mayn't I have been cracking? mayn't you have been cracking? mayn't he have been cracking? mayn't we have been cracking? mayn't you have been cracking? mayn't they have been cracking? |