Verbo regular: bill - billed - billed
Forma simple | Forma con V-ing |
I must bill you must bill she must bill we must bill you must bill they must bill | I must be billing you must be billing she must be billing we must be billing you must be billing they must be billing |
Perfecto | Perfecto con V-ing |
I must have billed you must have billed she must have billed we must have billed you must have billed they must have billed | I must have been billing you must have been billing she must have been billing we must have been billing you must have been billing they must have been billing |
Forma simple | Forma con V-ing |
I mustn't bill you mustn't bill she mustn't bill we mustn't bill you mustn't bill they mustn't bill | I mustn't be billing you mustn't be billing she mustn't be billing we mustn't be billing you mustn't be billing they mustn't be billing |
Perfecto | Perfecto con V-ing |
I mustn't have billed you mustn't have billed she mustn't have billed we mustn't have billed you mustn't have billed they mustn't have billed | I mustn't have been billing you mustn't have been billing she mustn't have been billing we mustn't have been billing you mustn't have been billing they mustn't have been billing |
Forma simple | Forma con V-ing |
must I bill? must you bill? must she bill? must we bill? must you bill? must they bill? | must I be billing? must you be billing? must she be billing? must we be billing? must you be billing? must they be billing? |
Perfecto | Perfecto con V-ing |
must I have billed? must you have billed? must she have billed? must we have billed? must you have billed? must they have billed? | must I have been billing? must you have been billing? must she have been billing? must we have been billing? must you have been billing? must they have been billing? |
Forma simple | Forma con V-ing |
mustn't I bill? mustn't you bill? mustn't she bill? mustn't we bill? mustn't you bill? mustn't they bill? | mustn't I be billing? mustn't you be billing? mustn't she be billing? mustn't we be billing? mustn't you be billing? mustn't they be billing? |
Perfecto | Perfecto con V-ing |
mustn't I have billed? mustn't you have billed? mustn't she have billed? mustn't we have billed? mustn't you have billed? mustn't they have billed? | mustn't I have been billing? mustn't you have been billing? mustn't she have been billing? mustn't we have been billing? mustn't you have been billing? mustn't they have been billing? |