I can machine you can machine he can machine we can machine you can machine they can machine
Forma com V-ing
I can be machining you can be machining he can be machining we can be machining you can be machining they can be machining
Perfeito
I can have machined you can have machined he can have machined we can have machined you can have machined they can have machined
Perfeito com V-ing
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
Negação
Forma simple
I cannot machine you cannot machine he cannot machine we cannot machine you cannot machine they cannot machine
Forma com V-ing
I cannot be machining you cannot be machining he cannot be machining we cannot be machining you cannot be machining they cannot be machining
Perfeito
I cannot have machined you cannot have machined he cannot have machined we cannot have machined you cannot have machined they cannot have machined
Perfeito com V-ing
I cannot have been machining you cannot have been machining he cannot have been machining we cannot have been machining you cannot have been machining they cannot have been machining
Forma interrogativa
Forma simple
can I machine? can you machine? can he machine? can we machine? can you machine? can they machine?
Forma com V-ing
can I be machining? can you be machining? can he be machining? can we be machining? can you be machining? can they be machining?
Perfeito
can I have machined? can you have machined? can he have machined? can we have machined? can you have machined? can they have machined?
Perfeito com V-ing
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?
Forma interro-Negação
Forma simple
can I not machine? can you not machine? can he not machine? can we not machine? can you not machine? can they not machine?
Forma com V-ing
can I not be machining? can you not be machining? can he not be machining? can we not be machining? can you not be machining? can they not be machining?
Perfeito
can I not have machined? can you not have machined? can he not have machined? can we not have machined? can you not have machined? can they not have machined?
Perfeito com V-ing
can I not have been machining? can you not have been machining? can he not have been machining? can we not have been machining? can you not have been machining? can they not have been machining?