Here are the sentences with the verbs in the third person singular:
1. The Bengal Tiger lives (live) in India.
2. Sumit's elephant carries (carry) heavy things on his back.
3. John washes (wash) his car every week.
4. The baby cries (cry) a lot at night.
5. Debbie goes (go) to school in the morning.
6. The rhino likes (like) to sit in the mud.
7. Monica watches (watch) TV every evening.