I can dull you can dull he can dull we can dull you can dull they can dull
Forma con V-ing
I can be dulling you can be dulling he can be dulling we can be dulling you can be dulling they can be dulling
Perfetto
I can have dulled you can have dulled he can have dulled we can have dulled you can have dulled they can have dulled
Perfetto con V-ing
I can have been dulling you can have been dulling he can have been dulling we can have been dulling you can have been dulling they can have been dulling
Negazione
Forma semplice
I cannot dull you cannot dull he cannot dull we cannot dull you cannot dull they cannot dull
Forma con V-ing
I cannot be dulling you cannot be dulling he cannot be dulling we cannot be dulling you cannot be dulling they cannot be dulling
Perfetto
I cannot have dulled you cannot have dulled he cannot have dulled we cannot have dulled you cannot have dulled they cannot have dulled
Perfetto con V-ing
I cannot have been dulling you cannot have been dulling he cannot have been dulling we cannot have been dulling you cannot have been dulling they cannot have been dulling
Forma interrogativa
Forma semplice
can I dull? can you dull? can he dull? can we dull? can you dull? can they dull?
Forma con V-ing
can I be dulling? can you be dulling? can he be dulling? can we be dulling? can you be dulling? can they be dulling?
Perfetto
can I have dulled? can you have dulled? can he have dulled? can we have dulled? can you have dulled? can they have dulled?
Perfetto con V-ing
can I have been dulling? can you have been dulling? can he have been dulling? can we have been dulling? can you have been dulling? can they have been dulling?
Forma interro-negativa
Forma semplice
can I not dull? can you not dull? can he not dull? can we not dull? can you not dull? can they not dull?
Forma con V-ing
can I not be dulling? can you not be dulling? can he not be dulling? can we not be dulling? can you not be dulling? can they not be dulling?
Perfetto
can I not have dulled? can you not have dulled? can he not have dulled? can we not have dulled? can you not have dulled? can they not have dulled?
Perfetto con V-ing
can I not have been dulling? can you not have been dulling? can he not have been dulling? can we not have been dulling? can you not have been dulling? can they not have been dulling?