I can tighten you can tighten he can tighten we can tighten you can tighten they can tighten
Forma con V-ing
I can be tightening you can be tightening he can be tightening we can be tightening you can be tightening they can be tightening
Perfetto
I can have tightened you can have tightened he can have tightened we can have tightened you can have tightened they can have tightened
Perfetto con V-ing
I can have been tightening you can have been tightening he can have been tightening we can have been tightening you can have been tightening they can have been tightening
Negazione
Forma semplice
I can't tighten you can't tighten he can't tighten we can't tighten you can't tighten they can't tighten
Forma con V-ing
I can't be tightening you can't be tightening he can't be tightening we can't be tightening you can't be tightening they can't be tightening
Perfetto
I can't have tightened you can't have tightened he can't have tightened we can't have tightened you can't have tightened they can't have tightened
Perfetto con V-ing
I can't have been tightening you can't have been tightening he can't have been tightening we can't have been tightening you can't have been tightening they can't have been tightening
Forma interrogativa
Forma semplice
can I tighten? can you tighten? can he tighten? can we tighten? can you tighten? can they tighten?
Forma con V-ing
can I be tightening? can you be tightening? can he be tightening? can we be tightening? can you be tightening? can they be tightening?
Perfetto
can I have tightened? can you have tightened? can he have tightened? can we have tightened? can you have tightened? can they have tightened?
Perfetto con V-ing
can I have been tightening? can you have been tightening? can he have been tightening? can we have been tightening? can you have been tightening? can they have been tightening?
Forma interro-negativa
Forma semplice
can't I tighten? can't you tighten? can't he tighten? can't we tighten? can't you tighten? can't they tighten?
Forma con V-ing
can't I be tightening? can't you be tightening? can't he be tightening? can't we be tightening? can't you be tightening? can't they be tightening?
Perfetto
can't I have tightened? can't you have tightened? can't he have tightened? can't we have tightened? can't you have tightened? can't they have tightened?
Perfetto con V-ing
can't I have been tightening? can't you have been tightening? can't he have been tightening? can't we have been tightening? can't you have been tightening? can't they have been tightening?