Correct sentence:
An ambulance gives first aid and takes people to the hospital.
This sentence is correct. Here are some simple notes a 7-year-old can understand:
- An ambulance means one ambulance. We use the word an before a word that starts with a vowel sound (like "ambulance").
- gives first aid means it helps people who are hurt or sick right away.
- takes people to the hospital means it drives them to the hospital so doctors can help more.
You can also say it a little differently:
- Ambulances give first aid and take people to the hospital. (This talks about ambulances in general.)
- An ambulance provides first aid and takes people to the hospital. (Uses the word "provides" instead of "gives"—both are correct.)
Good job! Your sentence was already clear and correct.