Cover of the textbook Engage B2 with Exam Skills

The key answer of exercise Think it out

The key to exercise solutions in chapter Unit 5 - Food for thought for the textbook Engage B2 with Exam Skills with authors Barbara Bettinelli e Jane Bowie from Pearson Longman

Question

Complete the rules by choosing the correct alternative.

Answer

  1. We use need to to express necessity.
  2. We use have to to express an obligation which comes from the outside.
  3. We use must to express an obligation which comes from the speaker.
  4. We use don’t have to, don’t need to and needn’t when we talk about lack of necessity.

Similar Books