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 may not signal you may not signal he may not signal we may not signal you may not signal they may not signal	I may not be signalling you may not be signalling he may not be signalling we may not be signalling you may not be signalling they may not be signalling
Perfect	V-ing perfect
I may not have signalled you may not have signalled he may not have signalled we may not have signalled you may not have signalled they may not have signalled	I may not have been signalling you may not have been signalling he may not have been signalling we may not have been signalling you may not have been signalling they may not 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
may I not signal? may you not signal? may he not signal? may we not signal? may you not signal? may they not signal?	may I not be signalling? may you not be signalling? may he not be signalling? may we not be signalling? may you not be signalling? may they not be signalling?
Perfect	V-ing perfect
may I not have signalled? may you not have signalled? may he not have signalled? may we not have signalled? may you not have signalled? may they not have signalled?	may I not have been signalling? may you not have been signalling? may he not have been signalling? may we not have been signalling? may you not have been signalling? may they not have been signalling?