can machine
Regular verb: machine - machined- machined

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

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

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

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