Here are the sentences changed into the passive voice: 1. The project will be finished next Friday. 2. Assignments must be submitted on time by students. 3. The cat is fed twice a day by Sarah. (already converted) 4. A delicious meal was cooked by the chef last night. 5. A new lesson will be taught tomorrow. 6. The script was completed last night by him. Let me know if you need more assistance!

Your sentences look great! Here they are confirmed in the passive voice: 1. **Active:** The team will finish the project next Friday. **Passive:** The project will be finished next Friday. 2. **Active:** Students must submit assignments on time. **Passive:** Assignments must be submitted on time by students. 3. **Active:** Sarah feeds the cat twice a day. **Passive:** The cat is fed twice a day by Sarah. (already converted) 4. **Active:** The chef cooked a delicious meal last night. **Passive:** A delicious meal was cooked by the chef last night. 5. **Active:** Someone will teach a new lesson tomorrow. **Passive:** A new lesson will be taught tomorrow. 6. **Active:** He completed the script last night. **Passive:** The script was completed last night by him. If you need further help with passive voice or any other topic, feel free to ask!