CÂU ĐẢO NGỮ 1. If we go by train, it will be cheaper. 2. If he doesn’t hurry, he will be late. 3. If the weather is rainy, we will stay at home. 4. If she goes to The USA, she can improve her English. 5. If I were a carpenter, I would build my own house. 6. If I had a map I would lend it to you. 7. If he didn’t study more, he wouldn’t pass the exam. 8. If I were the President, I would lower taxes. 9. If you had told me, I could have helped you. 10.If the teacher had helped me, I wouldn’t have had to go the library.