1. carries
2. carry
3. is/are designed to carry
4. is/are designed for
5. carrying
6. is/are used for carrying
7. is/are used to carry
1. An oil tanker (is used to carry; is designed to carry; ) oil and oil products.
2. Ferries (carries; are designed to carry; are used to carry;) passengers and vehicles.
3. A gas tanker (is used to carry; is designed to carry;) liquefied gases.
4. Heavy-lift carriers (are designed to carry; are used to carry;) oversized and heavy cargo.
5. General cargo ships (are designed for; are used to carry;) packed cargoes.
6. A bulk carrier (carry; carrying;) goods in bulk.
7. Ro-Ro vessels (carries; are designed for;) wheeled cargo.
8. Multi-purpose vessels (carrying;) different classes of cargo.
9. A chemical tanker (carries; is designed for; is used to carry) chemicals.
10. An ocean liner (is used to carry; is designed for;) passengers.
11. Rescue boats (is used to carry; is designed for;) to save people.
12. Dredgers (are used; are designed for;) to deepen canals.
13. A container carrier (carrying; is used for carrying;) containerized commodities.
14. Refrigerator ships (are designed to carry; are used to carry;) foodstuffs.