I can crumble you can crumble she can crumble we can crumble you can crumble they can crumble
Forma con V-ing
I can be crumbling you can be crumbling she can be crumbling we can be crumbling you can be crumbling they can be crumbling
Perfetto
I can have crumbled you can have crumbled she can have crumbled we can have crumbled you can have crumbled they can have crumbled
Perfetto con V-ing
I can have been crumbling you can have been crumbling she can have been crumbling we can have been crumbling you can have been crumbling they can have been crumbling
Negazione
Forma semplice
I cannot crumble you cannot crumble she cannot crumble we cannot crumble you cannot crumble they cannot crumble
Forma con V-ing
I cannot be crumbling you cannot be crumbling she cannot be crumbling we cannot be crumbling you cannot be crumbling they cannot be crumbling
Perfetto
I cannot have crumbled you cannot have crumbled she cannot have crumbled we cannot have crumbled you cannot have crumbled they cannot have crumbled
Perfetto con V-ing
I cannot have been crumbling you cannot have been crumbling she cannot have been crumbling we cannot have been crumbling you cannot have been crumbling they cannot have been crumbling
Forma interrogativa
Forma semplice
can I crumble? can you crumble? can she crumble? can we crumble? can you crumble? can they crumble?
Forma con V-ing
can I be crumbling? can you be crumbling? can she be crumbling? can we be crumbling? can you be crumbling? can they be crumbling?
Perfetto
can I have crumbled? can you have crumbled? can she have crumbled? can we have crumbled? can you have crumbled? can they have crumbled?
Perfetto con V-ing
can I have been crumbling? can you have been crumbling? can she have been crumbling? can we have been crumbling? can you have been crumbling? can they have been crumbling?
Forma interro-negativa
Forma semplice
can I not crumble? can you not crumble? can she not crumble? can we not crumble? can you not crumble? can they not crumble?
Forma con V-ing
can I not be crumbling? can you not be crumbling? can she not be crumbling? can we not be crumbling? can you not be crumbling? can they not be crumbling?
Perfetto
can I not have crumbled? can you not have crumbled? can she not have crumbled? can we not have crumbled? can you not have crumbled? can they not have crumbled?
Perfetto con V-ing
can I not have been crumbling? can you not have been crumbling? can she not have been crumbling? can we not have been crumbling? can you not have been crumbling? can they not have been crumbling?