Insert the appropriate modal in the blank :
You _____ not ask for more money now. (Prohibition)

Question

Insert the appropriate modal in the blank : 
You _____ not ask for more money now. (Prohibition)

Accepted Answer

Option 1, "must," is the correct choice for the blank in the sentence "You _____ not ask for more money now." when expressing prohibition. Here's why:

1. **Explanation for Option 1 ("must"):**
   - The modal verb "must" is often used to express strong obligation or prohibition. In this context, "must not" is used to indicate that asking for more money is strictly prohibited. It conveys a sense of authority or a rule that must be followed, making it the most appropriate choice for expressing prohibition.

2. **Explanation for why other options are incorrect:**

- **Option 2 ("might"):**
     - "Might" is used to express possibility or permission, not prohibition. It suggests that something could happen or be allowed, which does not align with the context of prohibiting an action. Therefore, "might not" would imply uncertainty rather than a prohibition.

- **Option 3 ("would"):**
     - "Would" is typically used to express a conditional situation or a polite request. It does not convey prohibition. "Would not" might suggest a refusal or a hypothetical situation, but it lacks the authoritative tone needed to prohibit an action.

- **Option 4 ("need not"):**
     - "Need not" is used to indicate that something is not necessary, rather than prohibited. It suggests that there is no requirement to perform an action, which is different from forbidding it. In this context, "need not" would imply that asking for more money is optional, not prohibited.

In conclusion, "must not" is the most suitable choice for expressing prohibition in the given sentence, as it clearly communicates that asking for more money is not allowed.