I can attain you can attain she can attain we can attain you can attain they can attain
Forma com V-ing
I can be attaining you can be attaining she can be attaining we can be attaining you can be attaining they can be attaining
Perfeito
I can have attained you can have attained she can have attained we can have attained you can have attained they can have attained
Perfeito com V-ing
I can have been attaining you can have been attaining she can have been attaining we can have been attaining you can have been attaining they can have been attaining
Negação
Forma simple
I can't attain you can't attain she can't attain we can't attain you can't attain they can't attain
Forma com V-ing
I can't be attaining you can't be attaining she can't be attaining we can't be attaining you can't be attaining they can't be attaining
Perfeito
I can't have attained you can't have attained she can't have attained we can't have attained you can't have attained they can't have attained
Perfeito com V-ing
I can't have been attaining you can't have been attaining she can't have been attaining we can't have been attaining you can't have been attaining they can't have been attaining
Forma interrogativa
Forma simple
can I attain? can you attain? can she attain? can we attain? can you attain? can they attain?
Forma com V-ing
can I be attaining? can you be attaining? can she be attaining? can we be attaining? can you be attaining? can they be attaining?
Perfeito
can I have attained? can you have attained? can she have attained? can we have attained? can you have attained? can they have attained?
Perfeito com V-ing
can I have been attaining? can you have been attaining? can she have been attaining? can we have been attaining? can you have been attaining? can they have been attaining?
Forma interro-Negação
Forma simple
can't I attain? can't you attain? can't she attain? can't we attain? can't you attain? can't they attain?
Forma com V-ing
can't I be attaining? can't you be attaining? can't she be attaining? can't we be attaining? can't you be attaining? can't they be attaining?
Perfeito
can't I have attained? can't you have attained? can't she have attained? can't we have attained? can't you have attained? can't they have attained?
Perfeito com V-ing
can't I have been attaining? can't you have been attaining? can't she have been attaining? can't we have been attaining? can't you have been attaining? can't they have been attaining?