I may gasify you may gasify she may gasify we may gasify you may gasify they may gasify
V-ing form
I may be gasifying you may be gasifying she may be gasifying we may be gasifying you may be gasifying they may be gasifying
Perfect
I may have gasified you may have gasified she may have gasified we may have gasified you may have gasified they may have gasified
V-ing perfect
I may have been gasifying you may have been gasifying she may have been gasifying we may have been gasifying you may have been gasifying they may have been gasifying
Negation
Simple form
I mayn't gasify you mayn't gasify she mayn't gasify we mayn't gasify you mayn't gasify they mayn't gasify
V-ing form
I mayn't be gasifying you mayn't be gasifying she mayn't be gasifying we mayn't be gasifying you mayn't be gasifying they mayn't be gasifying
Perfect
I mayn't have gasified you mayn't have gasified she mayn't have gasified we mayn't have gasified you mayn't have gasified they mayn't have gasified
V-ing perfect
I mayn't have been gasifying you mayn't have been gasifying she mayn't have been gasifying we mayn't have been gasifying you mayn't have been gasifying they mayn't have been gasifying
Interrogative form
Simple form
may I gasify? may you gasify? may she gasify? may we gasify? may you gasify? may they gasify?
V-ing form
may I be gasifying? may you be gasifying? may she be gasifying? may we be gasifying? may you be gasifying? may they be gasifying?
Perfect
may I have gasified? may you have gasified? may she have gasified? may we have gasified? may you have gasified? may they have gasified?
V-ing perfect
may I have been gasifying? may you have been gasifying? may she have been gasifying? may we have been gasifying? may you have been gasifying? may they have been gasifying?
Interro-negative form
Simple form
mayn't I gasify? mayn't you gasify? mayn't she gasify? mayn't we gasify? mayn't you gasify? mayn't they gasify?
V-ing form
mayn't I be gasifying? mayn't you be gasifying? mayn't she be gasifying? mayn't we be gasifying? mayn't you be gasifying? mayn't they be gasifying?
Perfect
mayn't I have gasified? mayn't you have gasified? mayn't she have gasified? mayn't we have gasified? mayn't you have gasified? mayn't they have gasified?
V-ing perfect
mayn't I have been gasifying? mayn't you have been gasifying? mayn't she have been gasifying? mayn't we have been gasifying? mayn't you have been gasifying? mayn't they have been gasifying?