I may counterweight you may counterweight he may counterweight we may counterweight you may counterweight they may counterweight
V-ing form
I may be counterweighting you may be counterweighting he may be counterweighting we may be counterweighting you may be counterweighting they may be counterweighting
Perfect
I may have counterweighted you may have counterweighted he may have counterweighted we may have counterweighted you may have counterweighted they may have counterweighted
V-ing perfect
I may have been counterweighting you may have been counterweighting he may have been counterweighting we may have been counterweighting you may have been counterweighting they may have been counterweighting
Negation
Simple form
I mayn't counterweight you mayn't counterweight he mayn't counterweight we mayn't counterweight you mayn't counterweight they mayn't counterweight
V-ing form
I mayn't be counterweighting you mayn't be counterweighting he mayn't be counterweighting we mayn't be counterweighting you mayn't be counterweighting they mayn't be counterweighting
Perfect
I mayn't have counterweighted you mayn't have counterweighted he mayn't have counterweighted we mayn't have counterweighted you mayn't have counterweighted they mayn't have counterweighted
V-ing perfect
I mayn't have been counterweighting you mayn't have been counterweighting he mayn't have been counterweighting we mayn't have been counterweighting you mayn't have been counterweighting they mayn't have been counterweighting
Interrogative form
Simple form
may I counterweight? may you counterweight? may he counterweight? may we counterweight? may you counterweight? may they counterweight?
V-ing form
may I be counterweighting? may you be counterweighting? may he be counterweighting? may we be counterweighting? may you be counterweighting? may they be counterweighting?
Perfect
may I have counterweighted? may you have counterweighted? may he have counterweighted? may we have counterweighted? may you have counterweighted? may they have counterweighted?
V-ing perfect
may I have been counterweighting? may you have been counterweighting? may he have been counterweighting? may we have been counterweighting? may you have been counterweighting? may they have been counterweighting?
Interro-negative form
Simple form
mayn't I counterweight? mayn't you counterweight? mayn't he counterweight? mayn't we counterweight? mayn't you counterweight? mayn't they counterweight?
V-ing form
mayn't I be counterweighting? mayn't you be counterweighting? mayn't he be counterweighting? mayn't we be counterweighting? mayn't you be counterweighting? mayn't they be counterweighting?
Perfect
mayn't I have counterweighted? mayn't you have counterweighted? mayn't he have counterweighted? mayn't we have counterweighted? mayn't you have counterweighted? mayn't they have counterweighted?
V-ing perfect
mayn't I have been counterweighting? mayn't you have been counterweighting? mayn't he have been counterweighting? mayn't we have been counterweighting? mayn't you have been counterweighting? mayn't they have been counterweighting?