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