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