Select the appropriate modal to complete the sentence: You ___________...
"Must" expresses necessity or obligation, instructing to turn off the lights.
Select the appropriate modal to complete the sentence: You ___________...
Understanding the Modal Verb "Must"
The correct choice for completing the sentence "You _____________ turn off the lights before leaving the room" is "must." This modal verb indicates necessity or obligation. Here’s why "must" is the appropriate option:
1. Indication of Obligation
- The use of "must" expresses a strong requirement.
- In this context, turning off the lights is essential to prevent waste of electricity and ensure safety.
2. Contrast with Other Modals
- Will: Suggests future intent but does not convey obligation.
- E.g., "You will turn off the lights" implies willingness, not necessity.
- Might: Indicates possibility, not obligation.
- E.g., "You might turn off the lights" suggests uncertainty about the action.
- Would: Often used for hypothetical situations or polite requests.
- E.g., "You would turn off the lights if you remembered" implies a condition rather than a requirement.
3. Contextual Importance
- In practical scenarios, turning off lights when leaving is a common rule in homes and offices.
- Using "must" conveys that this action is not just advisable but required to promote responsibility.
Conclusion
- Therefore, in the sentence provided, "must" effectively communicates the necessity of turning off the lights before exiting the room. It emphasizes the importance of following this rule for both environmental and safety reasons.
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