may manufacture
Regular verb: manufacture - manufactured- manufactured

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may manufacture
you may manufacture
she may manufacture
we may manufacture
you may manufacture
they may manufacture 	I may be manufacturing
you may be manufacturing
she may be manufacturing
we may be manufacturing
you may be manufacturing
they may be manufacturing	I may have manufactured
you may have manufactured
she may have manufactured
we may have manufactured
you may have manufactured
they may have manufactured	I may have been manufacturing
you may have been manufacturing
she may have been manufacturing
we may have been manufacturing
you may have been manufacturing
they may have been manufacturing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not manufacture
you may not manufacture
she may not manufacture
we may not manufacture
you may not manufacture
they may not manufacture 	I may not be manufacturing
you may not be manufacturing
she may not be manufacturing
we may not be manufacturing
you may not be manufacturing
they may not be manufacturing	I may not have manufactured
you may not have manufactured
she may not have manufactured
we may not have manufactured
you may not have manufactured
they may not have manufactured	I may not have been manufacturing
you may not have been manufacturing
she may not have been manufacturing
we may not have been manufacturing
you may not have been manufacturing
they may not have been manufacturing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I manufacture?
may you manufacture?
may she manufacture?
may we manufacture?
may you manufacture?
may they manufacture? 	may I be manufacturing?
may you be manufacturing?
may she be manufacturing?
may we be manufacturing?
may you be manufacturing?
may they be manufacturing? 	may I have manufactured?
may you have manufactured?
may she have manufactured?
may we have manufactured?
may you have manufactured?
may they have manufactured? 	may I have been manufacturing?
may you have been manufacturing?
may she have been manufacturing?
may we have been manufacturing?
may you have been manufacturing?
may they have been manufacturing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not manufacture?
may you not manufacture?
may she not manufacture?
may we not manufacture?
may you not manufacture?
may they not manufacture? 	may I not be manufacturing?
may you not be manufacturing?
may she not be manufacturing?
may we not be manufacturing?
may you not be manufacturing?
may they not be manufacturing? 	may I not have manufactured?
may you not have manufactured?
may she not have manufactured?
may we not have manufactured?
may you not have manufactured?
may they not have manufactured? 	may I not have been manufacturing?
may you not have been manufacturing?
may she not have been manufacturing?
may we not have been manufacturing?
may you not have been manufacturing?
may they not have been manufacturing?