11. Peter gets bad marks because he doesn’t prepare his lessons well

→ If Peter ………………………………………………………………

12. Mary doesn’t have enough money. She can’t buy a new car.

→ If Mary ………………………………………………………………

13. Go right now or you’ll be late for the train.

→ If you…………………………………………………………

14.Hurry up, or we will be late for the exam.

→ If we …………………………………………………………………

15. They do not understand you because you do not often talk to them.

→ If you ………………………………………

You should spend more time preparing your lesson.

If I…………………………………………………………………….

17. If you don't study harder, you 'll get bad marks.

=> Unless ..........................................................................

18 Unless this man is a driver, he can’t help you move by car.

=> If ..........................................................................

19. If he doesn't practice writing every day, he can't improve his writing skill.

=> Unless ..........................................................................

20.Unless you return this book to the library today, you’ll have to pay a fine.

=> If ..........................................................................

 Giúp mik gấp vs ạ

`\color{#145277}{N}\color{#246483}{a}\color{#34768F} {e}\color{#44889B}{u}\color{#539AA7}{n}`

`@` IF `1` : IF + S + V(HTĐ), S + will / can / may + V_bare

`->` Diễn tả `1` sự việc có thể xảy ra ở hiện tại

`@` IF `2` : IF + S + V(QKĐ), S + would / could / might + V_bare 

`->` Diễn tả `1` sự việc không có thật ở hiện tại

`@` UNLESS `=` IF NOT

`---------`

`11.` If Peter prepared his lesson well, he wouldn't get bad marks.

`12.` If Mary had enough money, she could buy a new car.

`13.` If you don't go right now, you will be late for the train.

`-` Câu mệnh lệnh `=>` chia IF `1`

`14.` If we don't hurry up, we will be late for the exam.

`-` Câu mệnh lệnh `=>` chia IF `1`

`15.` If you often talked to them, they would understand you.

`16.` If I were you, I would spend more time preparing my lesson.

`-` Spend time `+` V_ing : dành thời gian làm gì

`17.` Unless you study harder, you'll get bad marks.

`18.` If this man isn't a driver, he can't help you move by car.

`19.` Unless he practices writing every day, he can't improve his writing skill.

`20.` If you don't return this book to the library today, you'll have to pay a fine.

$\text{Form:}$

`+)` If + S + V(-s/es) + adv/O, S + will + V(inf) + adv/O

`+)` If + S + V(ed/PII) + adv/O, S + would/could + V(inf) + adv/O

`+)` Unless `=` If not

----------------------

`1.`

`->` If Peter prepared his lesson well, he wouldn't get bad marks.

`2.`

`->` If Mary had enough money, she could buy a new car.

`3.`

`->` If you don't go right now, you will be late for the train.

`4.`

`->` If we don't hurry up, we will be late for the exam.

`5.` 

`->` If you often talked to them,they would understand you.

`6.`

`->` If I were you, I would spend more preparing my lesson.

`7.` 

`->` Unless you study harder, you 'll get bad marks.

`8.`

`->` If this man isn't a driver, he can't help you move by car.

`9.`

`->` Unless he practices writing every day, he can't improve his writing skill.

`10.` 

`->` If you don't return this book to the library today, you'll have to pay a fine.