write the sentences in the Present Perfect.
1. I have English lessons
2. The teacher is putting our marks into the register
3. My friends take exams
4. Tanya started school at the age of five
5.The headmaster explains the things clearly
6. I am worrying about you
7. I had a meal in the canteen
8. I shall enjoy the nature

I have had English lessonsThe teacher has put our marks in the registerMy friend has taken examsTanya has started school at the age of fiveThe headmaster has explained the things clearlyI have wooried about youI have had a meal in the canteenI shall have enjoyed the nature