1. If you are busy, I will leave you. If you were busy, I would leave you. If you had been busy, I would have left you.
2. If my friend comes to see me, I will be very glad. If my friend came to see me, I would be glad. If my friend had come to see me , I would have been glad.
3. If mother buys a cake, we will have a very nice tea party. If mother bought a cake , we would hhave a very nice tea party. If mother had boughta cake , wewouid have had a verry nice tea party.
4. If we recieve a telegra from him, we won't worry. If we recieved a telegram, we wouldn't worry. If we had recieved a telegram from him, we wouldn't have worried
1. Let us ask mother. She must know his address. 2. You mustn't drink cold water if you don’t want to fall ill. 3. Can you help me? — I am afraid not. 4. You mustn't interrupt me when I am speaking. 5. Pupils mustn't talk during the lesson. 6. It may rain, take your raincoat. 7. My father must be at his office now as it is 8 o’clock already. 8. Can I switch on the radio? — Yes, you can. . 9. May (can) I smoke here? — No, you may not (can not). 10. You can take my pencil for a moment. 11. I can't finish this work today. I am tired.
1. If you are busy, I will leave you. If you were busy, I would leave you. If you had been busy, I would have left you.
2. If my friend comes to see me, I will be very glad. If my friend came to see me, I would be glad. If my friend had come to see me , I would have been glad.
3. If mother buys a cake, we will have a very nice tea party. If mother bought a cake , we would hhave a very nice tea party. If mother had boughta cake , wewouid have had a verry nice tea party.
4. If we recieve a telegra from him, we won't worry. If we recieved a telegram, we wouldn't worry. If we had recieved a telegram from him, we wouldn't have worried
Объяснение:
1. Let us ask mother. She must know his address. 2. You mustn't drink cold water if you don’t want to fall ill. 3. Can you help me? — I am afraid not. 4. You mustn't interrupt me when I am speaking. 5. Pupils mustn't talk during the lesson. 6. It may rain, take your raincoat. 7. My father must be at his office now as it is 8 o’clock already. 8. Can I switch on the radio? — Yes, you can. . 9. May (can) I smoke here? — No, you may not (can not). 10. You can take my pencil for a moment. 11. I can't finish this work today. I am tired.