I’ll call the teacher if you don’t leave me alone. Unless 
, I’ll call the teacher.
Giải bởi Vietjack
Trả lời:
Để thay thể If.. not bằng Unless, ta chuyển mệnh đề chứa If từ dạng phủ định về dạng khẳng định
Cấu trúc: If + S + don’t/ doesn’t + V = Unless + S + V(s,es)
=>Unless you leave me alone, I’ll call the teacher.
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David will leave for Hanoi tomorrow if the weather
(be) fine.
Please don’t disturb him if he 
(be) busy.
You must leave home early or you will late.
If you , you won’t late.
We’ll have to go without John if he (not arrive) 
soon.
Walk faster or you will miss the bus.
=>If you , you won’t miss the bus.
I won’t enjoy the film if you aren’t with me.
=>Unless , I won’t enjoy the film.
What will you do if you (not / go) away for the weekend?
If you (be) scared of spiders, don’t go into the garden.
The game (start) if you put a coin in the slot.
Don’t go out in the rain because you will get wet.
=>If you 
, you will get wet.
If she (accept) your card and roses, things will be very much hopeful.
If you don’t ask me for the car, I will lend it to you.
=>Unless , I won’t lend it to you.
If she (come) late again, she’ll lose her job.
If he (wash) 
my car, I’ll give him $20.
If a holiday (fall) on a weekend, go to the beach.
