Read the sentences below and rewrite them without changing their meaning.

“Don’t swim out too far, boys,” I said.

=> I warned

You press this button to stop the machine. (use conditional sentence)

The doctor said to me, “You should lose weight.”

The doctor advised me

“I can’t go to your birthday party next Saturday evening, Jack”, said Mary.

Mary apologized to

After we had read the stories about people who reduced their carbon footprint, we started to change our daily consumption habits. (use perfect participle)

Chiara spent years trying to pass the First Certificate exam. (took) 

He had spent all his money. He decided to go home and ask his father for a job. (having+V_p.p)

I have met her before. I still remember that. (having+V_p.p)