may machine
Regular verb: machine - machined- machined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may machine
you may machine
she may machine
we may machine
you may machine
they may machine 	I may be machining
you may be machining
she may be machining
we may be machining
you may be machining
they may be machining	I may have machined
you may have machined
she may have machined
we may have machined
you may have machined
they may have machined	I may have been machining
you may have been machining
she may have been machining
we may have been machining
you may have been machining
they may have been machining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I may not machine
you may not machine
she may not machine
we may not machine
you may not machine
they may not machine 	I may not be machining
you may not be machining
she may not be machining
we may not be machining
you may not be machining
they may not be machining	I may not have machined
you may not have machined
she may not have machined
we may not have machined
you may not have machined
they may not have machined	I may not have been machining
you may not have been machining
she may not have been machining
we may not have been machining
you may not have been machining
they may not have been machining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I machine?
may you machine?
may she machine?
may we machine?
may you machine?
may they machine? 	may I be machining?
may you be machining?
may she be machining?
may we be machining?
may you be machining?
may they be machining? 	may I have machined?
may you have machined?
may she have machined?
may we have machined?
may you have machined?
may they have machined? 	may I have been machining?
may you have been machining?
may she have been machining?
may we have been machining?
may you have been machining?
may they have been machining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
may I not machine?
may you not machine?
may she not machine?
may we not machine?
may you not machine?
may they not machine? 	may I not be machining?
may you not be machining?
may she not be machining?
may we not be machining?
may you not be machining?
may they not be machining? 	may I not have machined?
may you not have machined?
may she not have machined?
may we not have machined?
may you not have machined?
may they not have machined? 	may I not have been machining?
may you not have been machining?
may she not have been machining?
may we not have been machining?
may you not have been machining?
may they not have been machining?