Many natural disasters have been caused by global warming. => Global warming has caused many natural disasters.

"You need to do the experiment again tomorrow," the teacher said. => The teacher told me that I needed to do the experiment again the following day.

Talking to your family members every day is very important. => It is very important to talk to your family members every day. 

The manager made all the employees work at the weekend. => All the employees were made to work at the weekend by the manager.

My little son is interested in watching cartoon films on TV. => My little son loves watching cartoon films on TV.

As soon as we got on the plane, the pilot told us to get off again. => We had just got on the plane when the pilot told us to get off again.

This food is so good that I am going to have some more. => This is such good food that I am going to have some more. (Or: This food is so good that I want more.)

I am always nervous when I face a lot of people. => I am always nervous when facing a lot of people.

They have recycled rubbish for two years. => They started recycling rubbish two years ago.

I walked to school in 20 mins. => It took me 20 minutes to walk to school.

During dinner, the phone rang. => While I was having dinner, the phone rang.