PET - MUST, HAVE TO, ALLOWED TO, PROHIBITED 1
Instructions:
You are given a block of text which explains the theory of this concept.
Once you have read the theory, do the exercises given below to test how well you have understood the ideas.
How to do the Exercises:
You are given a set of words.
You are also given some sentences with input boxes, and you are required to use the words to complete the sentences correctly.
You can put your chosen word into the input box by first clicking on the word and then in the input box.
The word will appear in the input box.
If it is correct, it will go green, and if not, it will go red.
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PET - MUST, HAVE TO, ALLOWED TO, PROHIBITED 1
Theory:
MUST and HAVE TO
Both MUST and HAVE TO are used to show OBLIGATION, and are very similar.
MUST is often used to show what the speaker FEELS.
- I MUST do more exercise.
HAVE TO is often used to show obligation from an external source.
- I HAVE TO work on Saturday. (My boss told me.)
Although MUST and HAVE TO are very similar in positive structures, they don't mean the same thing in negative structures.
- 'You MUST wear a seat belt.' means the same as 'You HAVE TO wear a seat belt.'
- 'You MUST NOT go.' does not mean the same as 'You DON'T HAVE TO go.'
- 'You MUST NOT go.' means you are prohibited.
- 'You DON'T HAVE TO go.' means it's up to you.
MUST should never be used with TO
- I MUST TO do my homework. (is incorrect.)
- I MUST do my homework. (is correct.)
HAVE TO changes to HAS TO for HE, SHE and IT.
- I HAVE TO go.
- He HAS TO go.
MUST is the same for all cases.
- I MUST go.
- He MUST go.
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