I can bumble you can bumble she can bumble we can bumble you can bumble they can bumble
Forme en V-ing
I can be bumbling you can be bumbling she can be bumbling we can be bumbling you can be bumbling they can be bumbling
Perfect
I can have bumbled you can have bumbled she can have bumbled we can have bumbled you can have bumbled they can have bumbled
Perfect en V-ing
I can have been bumbling you can have been bumbling she can have been bumbling we can have been bumbling you can have been bumbling they can have been bumbling
Négation
Forme simple
I cannot bumble you cannot bumble she cannot bumble we cannot bumble you cannot bumble they cannot bumble
Forme en V-ing
I cannot be bumbling you cannot be bumbling she cannot be bumbling we cannot be bumbling you cannot be bumbling they cannot be bumbling
Perfect
I cannot have bumbled you cannot have bumbled she cannot have bumbled we cannot have bumbled you cannot have bumbled they cannot have bumbled
Perfect en V-ing
I cannot have been bumbling you cannot have been bumbling she cannot have been bumbling we cannot have been bumbling you cannot have been bumbling they cannot have been bumbling
Forme interrogative
Forme simple
can I bumble? can you bumble? can she bumble? can we bumble? can you bumble? can they bumble?
Forme en V-ing
can I be bumbling? can you be bumbling? can she be bumbling? can we be bumbling? can you be bumbling? can they be bumbling?
Perfect
can I have bumbled? can you have bumbled? can she have bumbled? can we have bumbled? can you have bumbled? can they have bumbled?
Perfect en V-ing
can I have been bumbling? can you have been bumbling? can she have been bumbling? can we have been bumbling? can you have been bumbling? can they have been bumbling?
Forme interro-négative
Forme simple
can I not bumble? can you not bumble? can she not bumble? can we not bumble? can you not bumble? can they not bumble?
Forme en V-ing
can I not be bumbling? can you not be bumbling? can she not be bumbling? can we not be bumbling? can you not be bumbling? can they not be bumbling?
Perfect
can I not have bumbled? can you not have bumbled? can she not have bumbled? can we not have bumbled? can you not have bumbled? can they not have bumbled?
Perfect en V-ing
can I not have been bumbling? can you not have been bumbling? can she not have been bumbling? can we not have been bumbling? can you not have been bumbling? can they not have been bumbling?