Is grammatically correct?. My book say "yes", at least I understand it. But is possible put "been and mentioned" together and knowing there are 2 verbs in past participle. Is a rule?. I only know that is possible put together a verb in infinitive form + present continuous". Explain me why is possible, thanks in advance teachers.
Top answer
You have discovered the present perfect tense, passive voice. The perfect tenses are formed with "have" + past participle. He has gone to lunch.
— AlpheccaStars
You have discovered the present perfect tense, passive voice.
The perfect tenses are formed with "have" + past participle.
He has gone to lunch.
The postman has delivered a package.
With the passive voice, the rule is have + been + past participle The package has been delivered by the postman.
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.