I can achieve you can achieve he can achieve we can achieve you can achieve they can achieve
Forma com V-ing
I can be achieving you can be achieving he can be achieving we can be achieving you can be achieving they can be achieving
Perfeito
I can have achieved you can have achieved he can have achieved we can have achieved you can have achieved they can have achieved
Perfeito com V-ing
I can have been achieving you can have been achieving he can have been achieving we can have been achieving you can have been achieving they can have been achieving
Negação
Forma simple
I can't achieve you can't achieve he can't achieve we can't achieve you can't achieve they can't achieve
Forma com V-ing
I can't be achieving you can't be achieving he can't be achieving we can't be achieving you can't be achieving they can't be achieving
Perfeito
I can't have achieved you can't have achieved he can't have achieved we can't have achieved you can't have achieved they can't have achieved
Perfeito com V-ing
I can't have been achieving you can't have been achieving he can't have been achieving we can't have been achieving you can't have been achieving they can't have been achieving
Forma interrogativa
Forma simple
can I achieve? can you achieve? can he achieve? can we achieve? can you achieve? can they achieve?
Forma com V-ing
can I be achieving? can you be achieving? can he be achieving? can we be achieving? can you be achieving? can they be achieving?
Perfeito
can I have achieved? can you have achieved? can he have achieved? can we have achieved? can you have achieved? can they have achieved?
Perfeito com V-ing
can I have been achieving? can you have been achieving? can he have been achieving? can we have been achieving? can you have been achieving? can they have been achieving?
Forma interro-Negação
Forma simple
can't I achieve? can't you achieve? can't he achieve? can't we achieve? can't you achieve? can't they achieve?
Forma com V-ing
can't I be achieving? can't you be achieving? can't he be achieving? can't we be achieving? can't you be achieving? can't they be achieving?
Perfeito
can't I have achieved? can't you have achieved? can't he have achieved? can't we have achieved? can't you have achieved? can't they have achieved?
Perfeito com V-ing
can't I have been achieving? can't you have been achieving? can't he have been achieving? can't we have been achieving? can't you have been achieving? can't they have been achieving?