Here's why:
* Double Negatives: In standard English, double negatives are generally considered grammatically incorrect. For example, "I don't have no money" should be "I don't have any money." However, double negatives can be used for emphasis or in informal speech.
* Multiple Negations: While multiple negatives are uncommon, they can be used strategically for emphasis or to convey a complex idea. For instance, "I can't believe he wouldn't do anything to help, not even a little bit."
* Context and Clarity: The key is to ensure that the sentence remains clear and understandable. Too many negatives can make a sentence convoluted and confusing.
Here are some examples:
* Single Negative: "I don't like that movie."
* Double Negative (Informal): "I ain't got no time for that."
* Multiple Negations: "I can't believe he wouldn't do anything to help, not even a little bit."
Ultimately, the number of negative words in a clause should be guided by the principles of clarity, grammatical correctness, and the intended meaning.