Ex. 16. Report the requests and commands.
1. Teacher: "Stay in a group! Don't wander about."
2. At the check-in counter the stewardess: "Please put your baggage on the scales." (Becbi)
3. Passport Officer: "Show me your passport."
4. Assistant of duty-free shop: "Show me your boarding pass, please." (посадочный талон)
Stewardess: "Passengers in seats 1-40 please board now.".
6. Steward: "All passengers fasten your seat belts, please.".
7. Captain: "Please listen carefully to the safety instructions."
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1. Teacher: "Stay in a group! Don't wander about."
In this sentence, the teacher is giving a command to the students. The command is to stay in a group and not wander around. The word "stay" is a command verb, also known as an imperative verb, which is used to give orders or instructions.

2. Stewardess at the check-in counter: "Please put your baggage on the scales."
Here, the stewardess is making a request to the passengers. The word "please" indicates politeness, and the phrase "put your baggage on the scales" is a polite way of asking the passengers to place their baggage on the weighing machine.

3. Passport Officer: "Show me your passport."
In this case, the passport officer is giving a command to the person showing their passport. The word "show" is an imperative verb, which is used to give direct commands or requests.

4. Assistant of duty-free shop: "Show me your boarding pass, please."
Similar to the previous example, the assistant is making a request to the person showing their boarding pass. The word "please" adds politeness to the request, and the phrase "show me your boarding pass" is a polite way of asking the person to present their boarding pass.

5. Stewardess: "Passengers in seats 1-40 please board now."
The stewardess is giving a command to the passengers in seats 1-40 to board the plane. The word "please" shows politeness, and the phrase "board now" is a direct instruction for the passengers to get on the plane.

6. Steward: "All passengers fasten your seat belts, please."
In this sentence, the steward is giving a command to all passengers. The phrase "fasten your seat belts" is a clear instruction for everyone to buckle their seat belts. The word "please" adds politeness to the command.

7. Captain: "Please listen carefully to the safety instructions."
Here, the captain is making a request to the passengers to listen attentively to the safety instructions. The word "please" shows politeness and emphasizes the importance of paying attention.

Overall, the sentences provided contain a mix of commands and requests. The commands are direct instructions that require immediate action, while the requests are more polite and can be complied with at the individual's convenience. Commands use imperative verbs, while requests often include the word "please" to add politeness.