Road users should obey traffic rules strictly.
→ Traffic rules should be obeyed strictly by road users.

We began studying Spanish six months ago.
→ We have been studying Spanish for six months.

It was a long journey to the resort but none of us felt tired.
→ Although it was a long journey to the resort, none of us felt tired.

The kids were amused at the clown's performance.
→ The kids found the clown's performance amusing.

Why don't you give a presentation about a Vietnamese festival?
→ If I were you, I would give a presentation about a Vietnamese festival.

Learning a foreign language is not easy at all.
→ It is not easy at all to learn a foreign language.

If you don't water these plants every day, they will die.
→ Unless you water these plants every day, they will die.

The newcomers were all bullied but Sahra was less.
→ Of all the newcomers, Sahra was bullied the least.

They said that he was the greatest poet of the time.
→ He was said to be the greatest poet of the time.

The last time I read this book was three months ago.
→ I haven't read this book for three months.