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