by Kate Woodford
In these blogs we make a point of looking at areas that often cause difficulties for learners of English. This week we are considering how we talk about obligation – the fact that we mustdo something, either because of a rule or some other need. We will start with the differences between ‘have to/need to’ and ‘must’, and when we use one and not the other.
Have to/Need to
The first thing to say is that if we want to talk about something that it is necessary to do, ‘have to’ and ‘need to’, (followed by the infinitive of the main verb), generally sound correct and natural:
You have to/need to be there for eight o’clock.
I have to/need to get some money out.
You have to/need to get a form from the office.
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