When it comes to using "much" and "many" in English, it can be confusing for non-native speakers. However, with a little practice, you can easily master the correct usage of these two words. Here are some tips to help you differentiate between "much" and "many":

1. Use "much" with uncountable nouns:
   • There isn't much sugar left in the jar.
   • How much water do you need for the recipe?
2. Use "many" with countable nouns:
   • There are many apples in the basket.
   • How many books did you read last month?
3. Use "much" in negative sentences and questions:
   • I don't have much time to finish this project.
   • How much money did you spend on your vacation?
4. Use "many" in positive sentences:
   • There are many people waiting in line.
   • She has many friends in the city.
5. Remember that "much" is used with singular nouns and "many" is used with plural nouns:
   • There isn't much milk in the fridge.
   • There are many cars parked outside.
6. Pay attention to the context of the sentence to determine whether to use "much" or "many":
   • There were many students at the event.
   • There wasn't much interest in the new product.

By following these simple tips, you can improve your English language skills and use "much" and "many" correctly in your conversations and writing. Practice using these words in different contexts to become more comfortable with their usage. With time and practice, you will be able to use "much" and "many" with confidence.