Употребите пассивный залог
1. You can hear this hit everywhere. 2. One can't learn a foreign language in a few weeks. 3. You shouldn't put fruit into the fridge. 4. She is a rude child. Her mother must teach her good manners. 5.1 have to complete the letter today. 6. Clara is going to mail these letters tomorrow. 7. Someone must call the police. 8. We ought to invite them, too. 9. They may raise the price of gas. 10.1 am going to paint the walls white. 11. The customer has to pay this bill. 12. You shouldn't carry large sums of money with you. 13. Aluminum is a valuable metal. You can use it again and again. Because you can recycle this metal, nobody should throw away aluminum cans. 14. People must protect endangered wildlife from extinction. 15. They may easily fool you.
Explanation: The subject "hit" becomes the object of the verb "hear" in the passive voice.
2. A foreign language can't be learned in a few weeks.
Explanation: The verb "learn" becomes the passive form "be learned" in the negative form.
3. Fruit shouldn't be put into the fridge.
Explanation: The subject "fruit" becomes the object of the verb "put" in the passive form.
4. Good manners must be taught to her by her mother because she is a rude child.
Explanation: The verb "teach" becomes the passive form "be taught" and the subject "her mother" becomes the doer of the action in the passive voice.
5. The letter has to be completed today by me.
Explanation: The verb "complete" becomes the passive form "be completed" and the subject "me" becomes the doer of the action in the passive voice.
6. These letters are going to be mailed by Clara tomorrow.
Explanation: The verb "mail" becomes the passive form "be mailed" and the subject "Clara" becomes the doer of the action in the passive voice.
7. The police must be called by someone.
Explanation: The verb "call" becomes the passive form "be called" and the subject "someone" becomes the doer of the action in the passive voice.
8. They ought to be invited by us, too.
Explanation: The verb "invite" becomes the passive form "be invited" and the subject "us" becomes the doer of the action in the passive voice.
9. The price of gas may be raised by them.
Explanation: The verb "raise" becomes the passive form "be raised" and the subject "them" becomes the doer of the action in the passive voice.
10. The walls are going to be painted white by me.
Explanation: The verb "paint" becomes the passive form "be painted" and the subject "me" becomes the doer of the action in the passive voice.
11. This bill has to be paid by the customer.
Explanation: The verb "pay" becomes the passive form "be paid" and the subject "the customer" becomes the doer of the action in the passive voice.
12. Large sums of money shouldn't be carried with you.
Explanation: The subject "large sums of money" becomes the object of the verb "carry" in the passive form.
13. Aluminum is a valuable metal that can be used again and again because it can be recycled.
Explanation: The verb "use" becomes the passive form "be used" and the subject "it" becomes the doer of the action in the passive voice.
14. Endangered wildlife must be protected from extinction by people.
Explanation: The verb "protect" becomes the passive form "be protected" and the subject "people" becomes the doer of the action in the passive voice.
15. You may easily be fooled by them.
Explanation: The verb "fool" becomes the passive form "be fooled" and the subject "them" becomes the doer of the action in the passive voice.