English verb conjugation
MAY SIGNAL

Regular verb: signal - signalled - signalled

Affirmation

Simple form	V-ing form
I may signal you may signal he may signal we may signal you may signal they may signal	I may be signalling you may be signalling he may be signalling we may be signalling you may be signalling they may be signalling
Perfect	V-ing perfect
I may have signalled you may have signalled he may have signalled we may have signalled you may have signalled they may have signalled	I may have been signalling you may have been signalling he may have been signalling we may have been signalling you may have been signalling they may have been signalling

Negation

Simple form	V-ing form
I mayn't signal you mayn't signal he mayn't signal we mayn't signal you mayn't signal they mayn't signal	I mayn't be signalling you mayn't be signalling he mayn't be signalling we mayn't be signalling you mayn't be signalling they mayn't be signalling
Perfect	V-ing perfect
I mayn't have signalled you mayn't have signalled he mayn't have signalled we mayn't have signalled you mayn't have signalled they mayn't have signalled	I mayn't have been signalling you mayn't have been signalling he mayn't have been signalling we mayn't have been signalling you mayn't have been signalling they mayn't have been signalling

Interrogative form

Simple form	V-ing form
may I signal? may you signal? may he signal? may we signal? may you signal? may they signal?	may I be signalling? may you be signalling? may he be signalling? may we be signalling? may you be signalling? may they be signalling?
Perfect	V-ing perfect
may I have signalled? may you have signalled? may he have signalled? may we have signalled? may you have signalled? may they have signalled?	may I have been signalling? may you have been signalling? may he have been signalling? may we have been signalling? may you have been signalling? may they have been signalling?

Interro-negative form

Simple form	V-ing form
mayn't I signal? mayn't you signal? mayn't he signal? mayn't we signal? mayn't you signal? mayn't they signal?	mayn't I be signalling? mayn't you be signalling? mayn't he be signalling? mayn't we be signalling? mayn't you be signalling? mayn't they be signalling?
Perfect	V-ing perfect
mayn't I have signalled? mayn't you have signalled? mayn't he have signalled? mayn't we have signalled? mayn't you have signalled? mayn't they have signalled?	mayn't I have been signalling? mayn't you have been signalling? mayn't he have been signalling? mayn't we have been signalling? mayn't you have been signalling? mayn't they have been signalling?