Помогите перевести в Complex object Я видел, что письмо не было подписано. Хочет ли он,…

I saw the letter being not signed/not signed.Does he want us to help him? You heard him acting, speaking at the meetings.I saw her come to the window and open it.I see that he's the best engineer in our factory. I would like him to be invited to the party.I think you will hear him singing today.She felt her voice trembling.I didn't expect to be sent to London.I don't like to be ordered/made to do same things.I didn't like to be ordered/made to do same things.I saw the window broken.Nobody heard him say this.