1. I can't finish this task unless you give me a hand. 2. Unless you stop wasting, you won't run out of your money. 3. If it is an emergency, call me. 4. If James studies harder, he will pass the exam. 5. Unless Jane finishes her work before 6 pm, she won't dine out with us. 6. My brother won't go travelling this summer unless he finds a companion. 7. If you listen attentively to the teacher, it will be easy to do these exercises. 8. Unless Jim submits his essay before Tuesday, he won't be punished by the teacher.

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1. I can't finish this task if you don't give me a hand./I can't finish this task unless you give me a hand.

2. You will run out of money unless you stop wasting it.

3. Don't call me if it isn't an emergency.

4. Jane will not pass the test if he doesn't study harder.

5. Unless Jane finishes her work before 6 pm , she wil not dine out with her friends.

6. My brother won't go travelling this summer unless he finds a companion.

7. It is not easy to do these exercises if you don't listen attentively to the teacher.

8. Unless Jim submits his essay before Tuesday,  he will be punished by the teacher.

Câu đk loại 1 : If S Vs/es, S will (not) V

Unless ~ If not