• Example : United we stand, divided we fall.

If we are united, we will stand, but if we are divided,we will fall.

1 Asked what had happened, he told us about it.

→When he was asked what had happened, …

2 Well known for his expert advice, he received many invitations to give lectures.

→Because he was well known for his expert advice, …

3 Given more time, we would be able to do the work much better.

If we were given more time,

4 Once translated into Chinese, the book became very popular among Chinese teenagers.

Once it was translated into Chinese,

5 Deeply interested in medicine, she decided to become a doctor.

Because she was deeply interested in medicine,

6 Left alone at home, Sam did not feel afraid at all.

Although he was left alone at home,