Tìm ra lỗi sai ở các câu không được chọn 1. you / operate / printer / make sure / wire / plug in a. Unless you want to operate a printer, you will make sure that the wire is plugged in. b. If you wanted to operate a printer, you would make sure the wire was plugged in. c. Do you want to operate a printer, you would make sure the wire was plugged in. d. If you want to operate a printer, you must make sure that the wire is plugged in. 2. you / in need / I / help a. If you are in need, I will help you with something. b. If you are in need, and I will help you with something. c. If you are in need or I will help you with something. d. Otherwise you are in need, I will help you with something. 3. bag / heavy / we / take it with us / now a. If the bag were not heavy, we would take it with us now. b. If the bag is not heavy, we will take it with us now. c. Unless the bag was not heavy, we would take it with us now. d. Provided that the bag is heavy, we would take it with us now. 4. you / keep / baby / warm / he / be / ill. a. Unless you did not keep the baby warm, he would be ill. b. Unless you kept the baby warm, he would be ill. c. Unless you do not keep the baby warm, he will be ill. d. If you keep the baby warm, he will be ill. 5. his office / call / he / return to work / ? a. If his office called, did he return to work? b. If his office called, would he return to work? c. If his office called, will he return to work? d. If his office called, he would returned to work? 6. provide / your writing / legible / test scorer / accept / your answer a. Providing your handwriting is legible, the test scorer does not accept your answer. b. Provided for your legible handwriting, the test scorer has to accept your answer. c. Provided that your handwriting is legible, your answer will be accepted by any test scorer. d. Providing with your legible handwriting, every test scorer must accept your answer. 7. I / not get wet / I / have an umbrella / me / now a. I will not get wet if I have an umbrella with me now. b. I will not get wet if I had an umbrella with me now. c. I would not get wet if I had an umbrella with me now. d. I would not get wet unless I had an umbrella with me now. 8. John / come / see me / this afternoon / tell / leave / a message a. If John comes to see me this afternoon, tell him to leave a message. b. If John is coming to see me this afternoon, tell him to leave a message. c. If John will come to see me this afternoon, tell him to leave a message. d. If John came to see me this afternoon, told him to leave a message. 9. she / not remind / us / we / forget / tickets / concert / today a. If she was not remind us, we would forget our tickets for the concert today. b. If she did not remind us, we would forget our tickets for the concert today. c. If she does not remind us, we will forget our tickets for the concert today. d. Unless she does not remind us, we will forget our tickets for the concert today. 10. you / get / ten percent / deposit / book / advance a. You will get ten percent of the deposit if you book in advance. b. You will get ten percent of the deposit unless you book in advance. c. You would get ten percent of the deposit if you book in advance. d. You would get ten percent of the deposit unless you book in advance.