Viết theo cấu trúc Unless – If… not

Viết theo cấu trúc Unless – If… not

 

Ví dụ:

Unless it rains tomorrow, we will go on a picnic.

If it does not rain tomorrow, we will go on a picnic.

 

Bài tập:

1. If you can’t swim, you’re not allowed in the deep end.

You’re not allowed in the deep end unless you can swim.
  1. If I finish my homework, I can go out at the weekend.

I can’t go out at the weekend unless I finish my homework.
  1. World population will continue to rise if we do not try to reduce it.

Unless we try to reduce the world population, it will continue to rise.
  1. Unless we leave now, we’ll miss our ride home

If we don’t leave now, we’ll miss our ride home.
  1. Unless there is water, this tree won’t grow.

If there is no water/ there isn’t any water, this tree won’t grow.
  1. If you don’t rest, you will be ill.

Unless you rest, you will be ill.
  1. Unless you keep your feet dry, you will catch a cold.

If you don’t keep you feet dry, you will catch a cold.
  1. If she is late, we won’t be able to take that flight.

Unless she is early, we won’t be able to take that flight.
  1. She will go with him if he promises to keep secret.

She won’t go with him unless he promises to keep secret.
  1.  If they don’t study hard, they will fail the exam.

Unless they study hard, they will fail the exam.