1 and 2 are fine. 3 and 4 are ok, but seem clunky!
5 and 6 are fine.
7 and 8 will be good if you add ‘to be’ in each. Do you know where?
1. I believe him to be cruel.
2. He is believed to be cruel by me.
3. I believe him cruel.
4. He is believed cruel by me.
[Are both passive setences grammatical?]
5. People believe Friday the 13th to be an unlucky day.
6. Friday the 13th is believed to be an unlucky day.
7. People believe Friday the 13th an unlucky day.
8. Friday the 13th is believed an unlucky day.
[Are both passive sentences grammatical? Which one is commonly used 'with to be' or 'without to be'?]
2 answers
.I BELIEVE HIM AS A CRUELEST/CRUEL BOY
.WITH TO BE
.WITH TO BE