“Unless” thường được sử dụng trong câu điều kiện để diễn tả một điều kiện cần thiết để một tình huống không xảy ra.

Cấu trúc cơ bản của câu điều kiện với “unless” là

1. Câu điều kiện với “unless” ở dạng đơn giản:
   • Nếu (điều kiện) không xảy ra, (kết quả) sẽ không xảy ra.
   Ví dụ:
   • “You won’t succeed unless you work hard.” (Bạn sẽ không thành công nếu bạn không làm việc chăm chỉ.)
   Câu này có thể được viết lại thành: “If you don’t work hard, you won’t succeed.”
2. Câu điều kiện với “unless” ở dạng quá khứ:
   • Nếu (điều kiện trong quá khứ) không xảy ra, (kết quả) đã không xảy ra.
   Ví dụ:
   • “He would have passed the exam unless he had been sick.” (Anh ấy đã có thể vượt qua kỳ thi nếu anh ấy không bị ốm.)
   Câu này có thể được viết lại thành: “If he had not been sick, he would have passed the exam.”
3. Câu điều kiện với “unless” trong thì hiện tại tiếp diễn:
   • Nếu (điều kiện) không xảy ra, (kết quả) sẽ không xảy ra trong tương lai.
   Ví dụ:
   • “We will be late unless we leave now.” (Chúng ta sẽ đến muộn nếu không rời đi ngay bây giờ.)
   Câu này có thể được viết lại thành: “If we don’t leave now, we will be late.”

Bài tập

1. I won’t go to the party __________ you invite me.
2. She won’t finish the project __________ she works late tonight.
3. They can’t go on the trip __________ they get their visas.
4. We will be late __________ we leave right now.
5. He will be upset __________ you call him back.
6. You won’t understand the lesson __________ you pay attention.
7. I won’t be able to help __________ you let me know in advance.
8. They won’t be successful __________ they change their strategy.
9. We won’t have a good time __________ you come with us.
10. She will miss the train __________ she hurries up.
11. You will fail the test __________ you study hard.
12. The project won’t be completed __________ you work on weekends.
13. He will miss the event __________ he arrives early.
14. The shop won’t open __________ the manager arrives.
15. We can’t start the meeting __________ everyone is present.
16. She will be unhappy __________ you don’t apologize.
17. They won’t finish on time __________ they speed up the process.
18. You won’t get the job __________ you prepare for the interview.
19. The show will be canceled __________ the weather improves.
20. We will be stuck in traffic __________ we take an alternate route.
21. He will be disappointed __________ he doesn’t hear from you.
22. The book won’t be published __________ the author completes it.
23. You won’t find a parking space __________ you arrive early.
24. She won’t join the team __________ they accept her application.
25. We won’t have dinner __________ you make a reservation.
26. He won’t understand the instructions __________ you explain them clearly.
27. They won’t be ready __________ they finish their homework.
28. You won’t win the prize __________ you enter the competition.
29. The concert will be postponed __________ the band arrives on time.
30. She will be bored __________ you bring a friend along.
31. You won’t get a refund __________ you keep the receipt.
32. The decision will be delayed __________ you provide more information.
33. We won’t complete the renovation __________ the workers arrive.
34. He will be happy __________ you attend his party.
35. The flight will be delayed __________ the weather clears up.
36. She won’t be promoted __________ she improves her performance.
37. They won’t achieve their goals __________ they work together.
38. You won’t pass the course __________ you complete all assignments.
39. We won’t see the results __________ we follow the correct procedure.
40. He won’t be satisfied __________ you meet his expectations.
41. The package won’t arrive __________ the courier is on time.
42. You won’t succeed __________ you take the necessary steps.
43. They will be lost __________ they use a map.
44. She won’t win the match __________ she practices regularly.
45. We won’t hear the announcement __________ we stay in the lobby.
46. He won’t get the promotion __________ he performs better.
47. The event will be successful __________ everyone participates.
48. You won’t be able to join __________ you get a ticket.
49. The house won’t sell __________ the agent shows it to buyers.
50. She will not finish the race __________ she trains harder.
51. We won’t finish the meal __________ you order more dishes.
52. He won’t learn the language __________ he attends classes.
53. They will miss the deadline __________ they start working now.
54. You won’t find the answer __________ you look carefully.
55. The store won’t restock __________ the manager orders more.
56. She won’t get the bonus __________ she reaches her targets.
57. We won’t enjoy the movie __________ we choose a better seat.
58. He will not finish his work __________ he works overtime.
59. You won’t be able to vote __________ you register first.
60. They won’t get the information __________ you send them the email.
61. The project won’t be approved __________ the team submits the report.
62. She won’t make the presentation __________ she practices it.
63. You won’t meet the deadline __________ you speed up your work.
64. We will have to wait __________ the meeting starts.
65. He won’t get the contract __________ he follows up on it.
66. They won’t find the location __________ they use the GPS.
67. She won’t be able to attend __________ she finishes her work.
68. You won’t enjoy the show __________ you buy tickets in advance.
69. The machine won’t operate __________ it’s repaired.
70. We won’t finish the game __________ you play with us.
71. He won’t be able to attend __________ he recovers from his illness.
72. The food won’t be served __________ the chef arrives.
73. She won’t receive the scholarship __________ she submits her application.
74. You won’t hear the news __________ you tune in to the broadcast.
75. The system won’t be updated __________ the technicians arrive.
76. They won’t be able to enter __________ they show their ID.
77. He won’t be satisfied __________ you meet his standards.
78. The concert will be canceled __________ the band arrives early.
79. She won’t get the job __________ she meets all the requirements.
80. You won’t enjoy the trip __________ you plan it well.
81. The book won’t be available __________ the author completes it.
82. We won’t win the match __________ we train harder.
83. He won’t feel better __________ he takes his medication.
84. You won’t understand the concept __________ you study it carefully.
85. They won’t reach their goal __________ they work together.
86. She won’t find the solution __________ she tries different methods.
87. We won’t make a decision __________ we have all the facts.
88. The company won’t succeed __________ it adapts to changes.
89. He won’t be invited __________ he knows the host.
90. The app won’t function __________ it’s updated regularly.
91. She won’t be hired __________ she improves her resume.
92. You won’t finish on time __________ you start now.
93. The cake won’t bake properly __________ you follow the recipe.
94. We won’t have a chance __________ we don’t act quickly.
95. They won’t come __________ they are not invited.
96. He won’t improve his skills __________ he practices daily.
97. You won’t enjoy the party __________ you meet new people.
98. She won’t receive the prize __________ she participates in the contest.
99. We won’t be able to help __________ you ask us for assistance.
100. They won’t be able to join __________ they get the tickets.

Đáp án

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