I must bubble you must bubble he must bubble we must bubble you must bubble they must bubble
Forma com V-ing
I must be bubbling you must be bubbling he must be bubbling we must be bubbling you must be bubbling they must be bubbling
Perfeito
I must have bubbled you must have bubbled he must have bubbled we must have bubbled you must have bubbled they must have bubbled
Perfeito com V-ing
I must have been bubbling you must have been bubbling he must have been bubbling we must have been bubbling you must have been bubbling they must have been bubbling
Negação
Forma simple
I must not bubble you must not bubble he must not bubble we must not bubble you must not bubble they must not bubble
Forma com V-ing
I must not be bubbling you must not be bubbling he must not be bubbling we must not be bubbling you must not be bubbling they must not be bubbling
Perfeito
I must not have bubbled you must not have bubbled he must not have bubbled we must not have bubbled you must not have bubbled they must not have bubbled
Perfeito com V-ing
I must not have been bubbling you must not have been bubbling he must not have been bubbling we must not have been bubbling you must not have been bubbling they must not have been bubbling
Forma interrogativa
Forma simple
must I bubble? must you bubble? must he bubble? must we bubble? must you bubble? must they bubble?
Forma com V-ing
must I be bubbling? must you be bubbling? must he be bubbling? must we be bubbling? must you be bubbling? must they be bubbling?
Perfeito
must I have bubbled? must you have bubbled? must he have bubbled? must we have bubbled? must you have bubbled? must they have bubbled?
Perfeito com V-ing
must I have been bubbling? must you have been bubbling? must he have been bubbling? must we have been bubbling? must you have been bubbling? must they have been bubbling?
Forma interro-Negação
Forma simple
must I not bubble? must you not bubble? must he not bubble? must we not bubble? must you not bubble? must they not bubble?
Forma com V-ing
must I not be bubbling? must you not be bubbling? must he not be bubbling? must we not be bubbling? must you not be bubbling? must they not be bubbling?
Perfeito
must I not have bubbled? must you not have bubbled? must he not have bubbled? must we not have bubbled? must you not have bubbled? must they not have bubbled?
Perfeito com V-ing
must I not have been bubbling? must you not have been bubbling? must he not have been bubbling? must we not have been bubbling? must you not have been bubbling? must they not have been bubbling?