Rewrite the sentences as per tenses mentioned in the brackets :
1. My father was a medical professional. (Past Perfect Tense.)
2. The holidays provided an opportunity for me to read various magazines and storybooks. (Simple Present Tense.)
3. I heard a group of street dogs barking. (Present Continuous Tense.)
4. The big male langur was holding a baby langur in his hands. (Past Perfect Continuous Tense.)
5. They were witnessing my rescue operation. (Simple Past Tense.)
6. He was in a state of shock. (Past Perfect Tense.)
7. The baby sensed the presence of his mother. (Present Perfect Tense.)