I can bubble you can bubble he can bubble we can bubble you can bubble they can bubble
Forme en V-ing
I can be bubbling you can be bubbling he can be bubbling we can be bubbling you can be bubbling they can be bubbling
Perfect
I can have bubbled you can have bubbled he can have bubbled we can have bubbled you can have bubbled they can have bubbled
Perfect en V-ing
I can have been bubbling you can have been bubbling he can have been bubbling we can have been bubbling you can have been bubbling they can have been bubbling
Négation
Forme simple
I can't bubble you can't bubble he can't bubble we can't bubble you can't bubble they can't bubble
Forme en V-ing
I can't be bubbling you can't be bubbling he can't be bubbling we can't be bubbling you can't be bubbling they can't be bubbling
Perfect
I can't have bubbled you can't have bubbled he can't have bubbled we can't have bubbled you can't have bubbled they can't have bubbled
Perfect en V-ing
I can't have been bubbling you can't have been bubbling he can't have been bubbling we can't have been bubbling you can't have been bubbling they can't have been bubbling
Forme interrogative
Forme simple
can I bubble? can you bubble? can he bubble? can we bubble? can you bubble? can they bubble?
Forme en V-ing
can I be bubbling? can you be bubbling? can he be bubbling? can we be bubbling? can you be bubbling? can they be bubbling?
Perfect
can I have bubbled? can you have bubbled? can he have bubbled? can we have bubbled? can you have bubbled? can they have bubbled?
Perfect en V-ing
can I have been bubbling? can you have been bubbling? can he have been bubbling? can we have been bubbling? can you have been bubbling? can they have been bubbling?
Forme interro-négative
Forme simple
can't I bubble? can't you bubble? can't he bubble? can't we bubble? can't you bubble? can't they bubble?
Forme en V-ing
can't I be bubbling? can't you be bubbling? can't he be bubbling? can't we be bubbling? can't you be bubbling? can't they be bubbling?
Perfect
can't I have bubbled? can't you have bubbled? can't he have bubbled? can't we have bubbled? can't you have bubbled? can't they have bubbled?
Perfect en V-ing
can't I have been bubbling? can't you have been bubbling? can't he have been bubbling? can't we have been bubbling? can't you have been bubbling? can't they have been bubbling?