could machine
Verbo regolare: machine - machined- machined

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could machine
you could machine
he could machine
we could machine
you could machine
they could machine 	I could be machining
you could be machining
he could be machining
we could be machining
you could be machining
they could be machining	I could have machined
you could have machined
he could have machined
we could have machined
you could have machined
they could have machined	I could have been machining
you could have been machining
he could have been machining
we could have been machining
you could have been machining
they could have been machining	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could not machine
you could not machine
he could not machine
we could not machine
you could not machine
they could not machine 	I could not be machining
you could not be machining
he could not be machining
we could not be machining
you could not be machining
they could not be machining	I could not have machined
you could not have machined
he could not have machined
we could not have machined
you could not have machined
they could not have machined	I could not have been machining
you could not have been machining
he could not have been machining
we could not have been machining
you could not have been machining
they could not have been machining	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I machine?
could you machine?
could he machine?
could we machine?
could you machine?
could they machine? 	could I be machining?
could you be machining?
could he be machining?
could we be machining?
could you be machining?
could they be machining? 	could I have machined?
could you have machined?
could he have machined?
could we have machined?
could you have machined?
could they have machined? 	could I have been machining?
could you have been machining?
could he have been machining?
could we have been machining?
could you have been machining?
could they have been machining? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I not machine?
could you not machine?
could he not machine?
could we not machine?
could you not machine?
could they not machine? 	could I not be machining?
could you not be machining?
could he not be machining?
could we not be machining?
could you not be machining?
could they not be machining? 	could I not have machined?
could you not have machined?
could he not have machined?
could we not have machined?
could you not have machined?
could they not have machined? 	could I not have been machining?
could you not have been machining?
could he not have been machining?
could we not have been machining?
could you not have been machining?
could they not have been machining?