may centre
Regular verb: centre - centred- centred

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may centre
you may centre
she may centre
we may centre
you may centre
they may centre 	I may be centring
you may be centring
she may be centring
we may be centring
you may be centring
they may be centring	I may have centred
you may have centred
she may have centred
we may have centred
you may have centred
they may have centred	I may have been centring
you may have been centring
she may have been centring
we may have been centring
you may have been centring
they may have been centring	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not centre
you may not centre
she may not centre
we may not centre
you may not centre
they may not centre 	I may not be centring
you may not be centring
she may not be centring
we may not be centring
you may not be centring
they may not be centring	I may not have centred
you may not have centred
she may not have centred
we may not have centred
you may not have centred
they may not have centred	I may not have been centring
you may not have been centring
she may not have been centring
we may not have been centring
you may not have been centring
they may not have been centring	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I centre?
may you centre?
may she centre?
may we centre?
may you centre?
may they centre? 	may I be centring?
may you be centring?
may she be centring?
may we be centring?
may you be centring?
may they be centring? 	may I have centred?
may you have centred?
may she have centred?
may we have centred?
may you have centred?
may they have centred? 	may I have been centring?
may you have been centring?
may she have been centring?
may we have been centring?
may you have been centring?
may they have been centring? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not centre?
may you not centre?
may she not centre?
may we not centre?
may you not centre?
may they not centre? 	may I not be centring?
may you not be centring?
may she not be centring?
may we not be centring?
may you not be centring?
may they not be centring? 	may I not have centred?
may you not have centred?
may she not have centred?
may we not have centred?
may you not have centred?
may they not have centred? 	may I not have been centring?
may you not have been centring?
may she not have been centring?
may we not have been centring?
may you not have been centring?
may they not have been centring?