I may stratify you may stratify she may stratify we may stratify you may stratify they may stratify
V-ing form
I may be stratifying you may be stratifying she may be stratifying we may be stratifying you may be stratifying they may be stratifying
Perfect
I may have stratified you may have stratified she may have stratified we may have stratified you may have stratified they may have stratified
V-ing perfect
I may have been stratifying you may have been stratifying she may have been stratifying we may have been stratifying you may have been stratifying they may have been stratifying
Negation
Simple form
I may not stratify you may not stratify she may not stratify we may not stratify you may not stratify they may not stratify
V-ing form
I may not be stratifying you may not be stratifying she may not be stratifying we may not be stratifying you may not be stratifying they may not be stratifying
Perfect
I may not have stratified you may not have stratified she may not have stratified we may not have stratified you may not have stratified they may not have stratified
V-ing perfect
I may not have been stratifying you may not have been stratifying she may not have been stratifying we may not have been stratifying you may not have been stratifying they may not have been stratifying
Interrogative form
Simple form
may I stratify? may you stratify? may she stratify? may we stratify? may you stratify? may they stratify?
V-ing form
may I be stratifying? may you be stratifying? may she be stratifying? may we be stratifying? may you be stratifying? may they be stratifying?
Perfect
may I have stratified? may you have stratified? may she have stratified? may we have stratified? may you have stratified? may they have stratified?
V-ing perfect
may I have been stratifying? may you have been stratifying? may she have been stratifying? may we have been stratifying? may you have been stratifying? may they have been stratifying?
Interro-negative form
Simple form
may I not stratify? may you not stratify? may she not stratify? may we not stratify? may you not stratify? may they not stratify?
V-ing form
may I not be stratifying? may you not be stratifying? may she not be stratifying? may we not be stratifying? may you not be stratifying? may they not be stratifying?
Perfect
may I not have stratified? may you not have stratified? may she not have stratified? may we not have stratified? may you not have stratified? may they not have stratified?
V-ing perfect
may I not have been stratifying? may you not have been stratifying? may she not have been stratifying? may we not have been stratifying? may you not have been stratifying? may they not have been stratifying?