I can tweak you can tweak she can tweak we can tweak you can tweak they can tweak
Forma com V-ing
I can be tweaking you can be tweaking she can be tweaking we can be tweaking you can be tweaking they can be tweaking
Perfeito
I can have tweaked you can have tweaked she can have tweaked we can have tweaked you can have tweaked they can have tweaked
Perfeito com V-ing
I can have been tweaking you can have been tweaking she can have been tweaking we can have been tweaking you can have been tweaking they can have been tweaking
Negação
Forma simple
I can't tweak you can't tweak she can't tweak we can't tweak you can't tweak they can't tweak
Forma com V-ing
I can't be tweaking you can't be tweaking she can't be tweaking we can't be tweaking you can't be tweaking they can't be tweaking
Perfeito
I can't have tweaked you can't have tweaked she can't have tweaked we can't have tweaked you can't have tweaked they can't have tweaked
Perfeito com V-ing
I can't have been tweaking you can't have been tweaking she can't have been tweaking we can't have been tweaking you can't have been tweaking they can't have been tweaking
Forma interrogativa
Forma simple
can I tweak? can you tweak? can she tweak? can we tweak? can you tweak? can they tweak?
Forma com V-ing
can I be tweaking? can you be tweaking? can she be tweaking? can we be tweaking? can you be tweaking? can they be tweaking?
Perfeito
can I have tweaked? can you have tweaked? can she have tweaked? can we have tweaked? can you have tweaked? can they have tweaked?
Perfeito com V-ing
can I have been tweaking? can you have been tweaking? can she have been tweaking? can we have been tweaking? can you have been tweaking? can they have been tweaking?
Forma interro-Negação
Forma simple
can't I tweak? can't you tweak? can't she tweak? can't we tweak? can't you tweak? can't they tweak?
Forma com V-ing
can't I be tweaking? can't you be tweaking? can't she be tweaking? can't we be tweaking? can't you be tweaking? can't they be tweaking?
Perfeito
can't I have tweaked? can't you have tweaked? can't she have tweaked? can't we have tweaked? can't you have tweaked? can't they have tweaked?
Perfeito com V-ing
can't I have been tweaking? can't you have been tweaking? can't she have been tweaking? can't we have been tweaking? can't you have been tweaking? can't they have been tweaking?