I can machine you can machine she can machine we can machine you can machine they can machine
Forma com V-ing
I can be machining you can be machining she can be machining we can be machining you can be machining they can be machining
Perfeito
I can have machined you can have machined she 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 she can have been machining we can have been machining you can have been machining they can have been machining
Negação
Forma simple
I can't machine you can't machine she can't machine we can't machine you can't machine they can't machine
Forma com V-ing
I can't be machining you can't be machining she can't be machining we can't be machining you can't be machining they can't be machining
Perfeito
I can't have machined you can't have machined she can't have machined we can't have machined you can't have machined they can't have machined
Perfeito com V-ing
I can't have been machining you can't have been machining she can't have been machining we can't have been machining you can't have been machining they can't have been machining
Forma interrogativa
Forma simple
can I machine? can you machine? can she machine? can we machine? can you machine? can they machine?
Forma com V-ing
can I be machining? can you be machining? can she be machining? can we be machining? can you be machining? can they be machining?
Perfeito
can I have machined? can you have machined? can she 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 she have been machining? can we have been machining? can you have been machining? can they have been machining?
Forma interro-Negação
Forma simple
can't I machine? can't you machine? can't she machine? can't we machine? can't you machine? can't they machine?
Forma com V-ing
can't I be machining? can't you be machining? can't she be machining? can't we be machining? can't you be machining? can't they be machining?
Perfeito
can't I have machined? can't you have machined? can't she have machined? can't we have machined? can't you have machined? can't they have machined?
Perfeito com V-ing
can't I have been machining? can't you have been machining? can't she have been machining? can't we have been machining? can't you have been machining? can't they have been machining?