may concoct
Regular verb: concoct - concocted- concocted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may concoct
you may concoct
he may concoct
we may concoct
you may concoct
they may concoct 	I may be concocting
you may be concocting
he may be concocting
we may be concocting
you may be concocting
they may be concocting	I may have concocted
you may have concocted
he may have concocted
we may have concocted
you may have concocted
they may have concocted	I may have been concocting
you may have been concocting
he may have been concocting
we may have been concocting
you may have been concocting
they may have been concocting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not concoct
you may not concoct
he may not concoct
we may not concoct
you may not concoct
they may not concoct 	I may not be concocting
you may not be concocting
he may not be concocting
we may not be concocting
you may not be concocting
they may not be concocting	I may not have concocted
you may not have concocted
he may not have concocted
we may not have concocted
you may not have concocted
they may not have concocted	I may not have been concocting
you may not have been concocting
he may not have been concocting
we may not have been concocting
you may not have been concocting
they may not have been concocting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I concoct?
may you concoct?
may he concoct?
may we concoct?
may you concoct?
may they concoct? 	may I be concocting?
may you be concocting?
may he be concocting?
may we be concocting?
may you be concocting?
may they be concocting? 	may I have concocted?
may you have concocted?
may he have concocted?
may we have concocted?
may you have concocted?
may they have concocted? 	may I have been concocting?
may you have been concocting?
may he have been concocting?
may we have been concocting?
may you have been concocting?
may they have been concocting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not concoct?
may you not concoct?
may he not concoct?
may we not concoct?
may you not concoct?
may they not concoct? 	may I not be concocting?
may you not be concocting?
may he not be concocting?
may we not be concocting?
may you not be concocting?
may they not be concocting? 	may I not have concocted?
may you not have concocted?
may he not have concocted?
may we not have concocted?
may you not have concocted?
may they not have concocted? 	may I not have been concocting?
may you not have been concocting?
may he not have been concocting?
may we not have been concocting?
may you not have been concocting?
may they not have been concocting?