can machine
Regular verb: machine - machined- machined

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can machine
you can machine
he can machine
we can machine
you can machine
they can machine 	I can be machining
you can be machining
he can be machining
we can be machining
you can be machining
they can be machining	I can have machined
you can have machined
he 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
he 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 can't machine
you can't machine
he can't machine
we can't machine
you can't machine
they can't machine 	I can't be machining
you can't be machining
he can't be machining
we can't be machining
you can't be machining
they can't be machining	I can't have machined
you can't have machined
he can't have machined
we can't have machined
you can't have machined
they can't have machined	I can't have been machining
you can't have been machining
he can't have been machining
we can't have been machining
you can't have been machining
they can't have been machining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I machine?
can you machine?
can he machine?
can we machine?
can you machine?
can they machine? 	can I be machining?
can you be machining?
can he be machining?
can we be machining?
can you be machining?
can they be machining? 	can I have machined?
can you have machined?
can he 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 he 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't I machine?
can't you machine?
can't he machine?
can't we machine?
can't you machine?
can't they machine? 	can't I be machining?
can't you be machining?
can't he be machining?
can't we be machining?
can't you be machining?
can't they be machining? 	can't I have machined?
can't you have machined?
can't he have machined?
can't we have machined?
can't you have machined?
can't they have machined? 	can't I have been machining?
can't you have been machining?
can't he have been machining?
can't we have been machining?
can't you have been machining?
can't they have been machining?