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 must not bill you must not bill she must not bill we must not bill you must not bill they must not bill | I must not be billing you must not be billing she must not be billing we must not be billing you must not be billing they must not be billing |
Perfecto | Perfecto con V-ing |
I must not have billed you must not have billed she must not have billed we must not have billed you must not have billed they must not have billed | I must not have been billing you must not have been billing she must not have been billing we must not have been billing you must not have been billing they must not 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 |
must I not bill? must you not bill? must she not bill? must we not bill? must you not bill? must they not bill? | must I not be billing? must you not be billing? must she not be billing? must we not be billing? must you not be billing? must they not be billing? |
Perfecto | Perfecto con V-ing |
must I not have billed? must you not have billed? must she not have billed? must we not have billed? must you not have billed? must they not have billed? | must I not have been billing? must you not have been billing? must she not have been billing? must we not have been billing? must you not have been billing? must they not have been billing? |