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Questions and Answers
Which of the following is NOT a common way to use 'mustn't'?
Which of the following is NOT a common way to use 'mustn't'?
Which of these examples best illustrates the use of 'mustn't' for negative commands?
Which of these examples best illustrates the use of 'mustn't' for negative commands?
What is the purpose of using 'mustn't' in prohibitive situations?
What is the purpose of using 'mustn't' in prohibitive situations?
Which of the following examples best illustrates the use of 'mustn't' for advice or warnings?
Which of the following examples best illustrates the use of 'mustn't' for advice or warnings?
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Why is understanding the usage of 'must' and 'mustn't' important?
Why is understanding the usage of 'must' and 'mustn't' important?
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What type of sentence is exemplified in the statement: 'In case of emergency, you must call this number immediately'?
What type of sentence is exemplified in the statement: 'In case of emergency, you must call this number immediately'?
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Which of the following is an example of a mustn't sentence?
Which of the following is an example of a mustn't sentence?
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Which of the following sentences best exemplifies an assertion using 'must'?
Which of the following sentences best exemplifies an assertion using 'must'?
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Which of the following sentences represents a prohibition using 'mustn't'?
Which of the following sentences represents a prohibition using 'mustn't'?
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Which type of sentence is demonstrated by the phrase: 'To cure the disease, one must follow these instructions strictly'?
Which type of sentence is demonstrated by the phrase: 'To cure the disease, one must follow these instructions strictly'?
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Study Notes
Usage of Must and Mustn't
The English language is full of rules and guidelines that help us communicate effectively. Among these rules, two modal verbs stand out because they dictate what we must do and what we mustn't do: "must" and "mustn't." These verbs have specific uses in everyday conversation and written communication, helping to assert obligations, prohibitions, and advice. Let's explore their usage in detail.
Usage of Must
"Must" is used to express obligation, necessity, or inevitability. It can also indicate a command, directive, or instruction. In general context, "must" can be understood as follows:
- External force or circumstance - The situation compels you to do something regardless of your preferences. For example, "You must wear a seat belt when driving," "I must visit my grandmother every summer," etc.
- Necessity - Something necessary or required by law, nature, or logic. For instance, "A baby must eat regularly," "We all must die sometime," etc.
- Logical conclusion - An action that logically or naturally follows from other actions or events. Like, "If it rains, you must bring an umbrella," "He failed his exams; he must retake them," etc.
- Politeness - Used to ask someone else to do something. Example, "Can I ask if you could turn off the light?"
Usage of Mustn't
On the other hand, "mustn't" indicates a negative imperative or a prohibition. It is often used to convey a sense of forbidden actions or to advise against doing something. Some common ways to use "mustn't" include:
- Negative commands - Used to give instructions on what not to do. Example, "Don't forget to lock the door when leaving home," "You mustn't drink alcohol while studying," etc.
- Prohibitive situations - Actions that can never occur due to certain circumstances. For instance, "The dog mustn't climb on furniture," "It mustn't rain during your wedding day," etc.
- Advice - To warn someone against a particular course of action. Examples like, "If you're sick, don't go to school," "When using a knife, make sure not to cut yourself," etc.
In summary, understanding the usage of "must" and "mustn't" helps us communicate more accurately and effectively. They serve as essential tools for conveying obligations, prohibitions, and advice in various scenarios, ensuring clarity in our communications.
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Description
Explore the specific uses of the modal verbs 'must' and 'mustn't' in English language to express obligations, prohibitions, and advice. Learn how 'must' denotes necessity, commands, and logical conclusions, while 'mustn't' indicates negative imperatives and prohibitions.
