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 can't dull you can't dull he can't dull we can't dull you can't dull they can't dull
Forma con V-ing
I can't be dulling you can't be dulling he can't be dulling we can't be dulling you can't be dulling they can't be dulling
Perfetto
I can't have dulled you can't have dulled he can't have dulled we can't have dulled you can't have dulled they can't have dulled
Perfetto con V-ing
I can't have been dulling you can't have been dulling he can't have been dulling we can't have been dulling you can't have been dulling they can't 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't I dull? can't you dull? can't he dull? can't we dull? can't you dull? can't they dull?
Forma con V-ing
can't I be dulling? can't you be dulling? can't he be dulling? can't we be dulling? can't you be dulling? can't they be dulling?
Perfetto
can't I have dulled? can't you have dulled? can't he have dulled? can't we have dulled? can't you have dulled? can't they have dulled?
Perfetto con V-ing
can't I have been dulling? can't you have been dulling? can't he have been dulling? can't we have been dulling? can't you have been dulling? can't they have been dulling?