Regular verb: crumble - crumbled - crumbled
Simple form | V-ing form |
I may crumble you may crumble she may crumble we may crumble you may crumble they may crumble | I may be crumbling you may be crumbling she may be crumbling we may be crumbling you may be crumbling they may be crumbling |
Perfect | V-ing perfect |
I may have crumbled you may have crumbled she may have crumbled we may have crumbled you may have crumbled they may have crumbled | I may have been crumbling you may have been crumbling she may have been crumbling we may have been crumbling you may have been crumbling they may have been crumbling |
Simple form | V-ing form |
I mayn't crumble you mayn't crumble she mayn't crumble we mayn't crumble you mayn't crumble they mayn't crumble | I mayn't be crumbling you mayn't be crumbling she mayn't be crumbling we mayn't be crumbling you mayn't be crumbling they mayn't be crumbling |
Perfect | V-ing perfect |
I mayn't have crumbled you mayn't have crumbled she mayn't have crumbled we mayn't have crumbled you mayn't have crumbled they mayn't have crumbled | I mayn't have been crumbling you mayn't have been crumbling she mayn't have been crumbling we mayn't have been crumbling you mayn't have been crumbling they mayn't have been crumbling |
Simple form | V-ing form |
may I crumble? may you crumble? may she crumble? may we crumble? may you crumble? may they crumble? | may I be crumbling? may you be crumbling? may she be crumbling? may we be crumbling? may you be crumbling? may they be crumbling? |
Perfect | V-ing perfect |
may I have crumbled? may you have crumbled? may she have crumbled? may we have crumbled? may you have crumbled? may they have crumbled? | may I have been crumbling? may you have been crumbling? may she have been crumbling? may we have been crumbling? may you have been crumbling? may they have been crumbling? |
Simple form | V-ing form |
mayn't I crumble? mayn't you crumble? mayn't she crumble? mayn't we crumble? mayn't you crumble? mayn't they crumble? | mayn't I be crumbling? mayn't you be crumbling? mayn't she be crumbling? mayn't we be crumbling? mayn't you be crumbling? mayn't they be crumbling? |
Perfect | V-ing perfect |
mayn't I have crumbled? mayn't you have crumbled? mayn't she have crumbled? mayn't we have crumbled? mayn't you have crumbled? mayn't they have crumbled? | mayn't I have been crumbling? mayn't you have been crumbling? mayn't she have been crumbling? mayn't we have been crumbling? mayn't you have been crumbling? mayn't they have been crumbling? |