To practice and improve your grammar skills in English, here are some effective strategies you can follow:

1. Study grammar rules: Start by familiarizing yourself with the basic rules of English grammar. Understand the different parts of speech, verb tenses, sentence structure, punctuation, and commonly confused words.
2. Use grammar resources: Utilize reliable grammar resources such as grammar books, online websites, and mobile apps specifically designed to teach English grammar. These resources often provide explanations, examples, and exercises to help you practice.
3. Read extensively: Reading books, articles, newspapers, and other written materials in English exposes you to correct grammar usage in context. Pay attention to how sentences are structured, how verbs and tenses are used, and how punctuation is applied.
4. Practice with exercises: Seek out grammar exercises that target specific grammar concepts you want to improve. Many online platforms offer grammar exercises at various difficulty levels. Work through the exercises and review your answers to identify any mistakes.
5. Write regularly: Writing regularly is an excellent way to reinforce grammar rules. Start with simple exercises such as writing short paragraphs, journal entries, or essays. Review your writing for grammar errors, and if possible, have a native English speaker or an English teacher provide feedback.
6. Seek feedback: Whenever possible, ask for feedback on your spoken and written English. This can be done through language exchange programs, language tutors, or language learning communities. Constructive feedback helps you identify areas where you can improve your grammar usage.
7. Engage in conversation: Engaging in conversations with native English speakers or fellow English learners allows you to practice using grammar in real-life situations. Pay attention to how others use grammar, and make note of any corrections or suggestions they provide.
8. Keep a grammar journal: Maintain a journal where you record grammar rules, examples, and your own notes. This helps you consolidate your learning and serves as a reference when you need to review specific grammar concepts.
9. Review and revise: Regularly review the grammar rules you have learned and revise any areas that you find challenging. Grammar concepts can be interconnected, so understanding the fundamentals will support your progress in more complex areas.
10. Practice with online tools: Online grammar-checking tools and language-learning platforms often have grammar exercises and quizzes. These interactive tools can provide immediate feedback and help you track your progress.

Remember, practicing grammar in isolation may not be as effective as practicing it in context. Aim to use grammar rules while speaking and writing in everyday situations to reinforce your learning and develop a natural feel for correct grammar usage.

Here are some ways to practice the best use of case grammar in English:

• Learn the basic rules of case grammar. This includes understanding the three cases in English (subjective, objective, and possessive) and how they are used. There are many resources available online and in libraries that can help you learn the basics of case grammar.
• Practice using case grammar in your own writing and speaking. When you’re writing or speaking, pay attention to the case of the nouns and pronouns you use. Make sure you’re using the correct case for the function of the word in the sentence.
• Read and listen to English texts that use case grammar correctly. This will help you get a feel for how case grammar is used in natural language. Pay attention to the case of the nouns and pronouns you see and hear, and try to emulate the correct usage in your own writing and speaking.
• Get feedback on your grammar from a native English speaker. If you’re not sure whether you’re using case grammar correctly, ask a native English speaker to review your writing or speaking. They can help you identify any errors and offer suggestions for improvement.

Here are some additional tips for practicing case grammar:

• Use a grammar checker. There are many grammar checkers available online and as apps that can help you identify errors in your grammar, including case grammar errors.
• Join an online grammar community. There are many online communities where you can ask questions about grammar and get feedback on your writing. This can be a great way to learn more about case grammar and practice using it correctly.
• Take a grammar class. If you’re serious about improving your grammar, you may want to consider taking a grammar class. This can give you a more in-depth understanding of case grammar and other grammar concepts.

With regular practice, you can improve your ability to use case grammar correctly in English.