1. Linh reads a story book after dinner.
->A story book is read after dinner by Linh
2. We grow rubber trees in our country.
-> Rubber trees are grown in our country
3. My father drinks a cup of tea in the morning.
-> A cup of tea is drunk by my father in the morning
4. Santa Claus gives children presents on Christmas Eve.
-> Children presents are given by Santa Claus on Christmas Eve