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