I can tree you can tree he can tree we can tree you can tree they can tree
Forma con V-ing
I can be treeing you can be treeing he can be treeing we can be treeing you can be treeing they can be treeing
Perfetto
I can have treed you can have treed he can have treed we can have treed you can have treed they can have treed
Perfetto con V-ing
I can have been treeing you can have been treeing he can have been treeing we can have been treeing you can have been treeing they can have been treeing
Negazione
Forma semplice
I cannot tree you cannot tree he cannot tree we cannot tree you cannot tree they cannot tree
Forma con V-ing
I cannot be treeing you cannot be treeing he cannot be treeing we cannot be treeing you cannot be treeing they cannot be treeing
Perfetto
I cannot have treed you cannot have treed he cannot have treed we cannot have treed you cannot have treed they cannot have treed
Perfetto con V-ing
I cannot have been treeing you cannot have been treeing he cannot have been treeing we cannot have been treeing you cannot have been treeing they cannot have been treeing
Forma interrogativa
Forma semplice
can I tree? can you tree? can he tree? can we tree? can you tree? can they tree?
Forma con V-ing
can I be treeing? can you be treeing? can he be treeing? can we be treeing? can you be treeing? can they be treeing?
Perfetto
can I have treed? can you have treed? can he have treed? can we have treed? can you have treed? can they have treed?
Perfetto con V-ing
can I have been treeing? can you have been treeing? can he have been treeing? can we have been treeing? can you have been treeing? can they have been treeing?
Forma interro-negativa
Forma semplice
can I not tree? can you not tree? can he not tree? can we not tree? can you not tree? can they not tree?
Forma con V-ing
can I not be treeing? can you not be treeing? can he not be treeing? can we not be treeing? can you not be treeing? can they not be treeing?
Perfetto
can I not have treed? can you not have treed? can he not have treed? can we not have treed? can you not have treed? can they not have treed?
Perfetto con V-ing
can I not have been treeing? can you not have been treeing? can he not have been treeing? can we not have been treeing? can you not have been treeing? can they not have been treeing?