#GrammarTrivia: The Use of MUST, MUSTN’T, and NEEDN’T

Howdy, fellas! How’s everything going? I hope it’s going brilliant! :)

Anyway, today I’m going to talk about the use of ‘Must’, ‘Musn’t’, and ‘Needn’t’. Here we go! #GrammarTrivia

First, ‘You MUST do something’ means that it is necessary that you do it. #GrammarTrivia

For example: “We haven’t got much time. We MUST hurry.” #GrammarTrivia

Another example: “Don’t tell anybody what I said. You MUST keep it a secret.” #GrammarTrivia

Second, ‘You MUSTN’T do something’ means that it’s necessary that you do NOT do it. #GrammarTrivia

For example: “This is a secret. You MUSTN’T tell anybody else.” #GrammarTrivia

Another example: “It’s essential that nobody hears us. We MUSTN’T make any noise.” #GrammarTrivia

Third, ‘You NEEDN’T do something’ means that It’s NOT necessary that you do it. #GrammarTrivia

For example: “We’ve got plenty of time. We NEEDN’T hurry. #GrammarTrivia

Another example: “You NEEDN’T come to the party if you don’t want to.” #GrammarTrivia

Also, you can use DON’T/DOESN’T NEED TO instead of saying NEEDN’T. #GrammarTrivia

So, you can say either “We NEEDN’T hurry” or “We DON’T NEED TO hurry.” #GrammarTrivia

Or, you can say either “He NEEDN’T come” or “He DOESN’T NEED TO come.” #GrammarTrivia

Remember that we say “DON’T NEED TO do”, but “NEEDN’T do” (without ‘to’) #GrammarTrivia

That’s what I can share with you, fellas. Feel free to ask questions about the use of MUST, MUSTN’T, and NEEDN’T if you have. #GrammarTrivia

For exercises, complete the following sentences with MUST, MUSTN’T, or NEEDN’T. Try your best, fellas! ;) #GrammarTrivia

1) We have enough food at home so we NEEDN’T go shopping today. #GrammarTrivia

2) Jim gave me a letter to post. I MUST remember to post it. #GrammarTrivia

3) Jim gave me a letter to post. I MUSTN’T forget to post it. #GrammarTrivia

4) You NEEDN’T wash those tomatoes. They’ve already been washed. #GrammarTrivia

5) There’s plenty of time for you to make up your mind. You NEEDN’T decide now. #GrammarTrivia

How is it, fellas? It’s simple, isn’t it? So that’s how we should use MUST, MUSTN’T, and NEEDN’T. I hope you understand. :) #GrammarTrivia
Source: English Grammar in Use (Raymond Murphy, Cambridge University Press)

Compiled and written by @aditriasmara at @EnglishTips4U on June 2nd, 2014

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