Online Resources:
* Khan Academy: Provides a comprehensive course on English grammar, including sections on past and present tense. They offer free videos, exercises, and practice quizzes. [https://www.khanacademy.org/humanities/grammar](https://www.khanacademy.org/humanities/grammar)
* English Grammar 101: A website dedicated to English grammar with clear explanations and examples of past and present tense usage. [https://www.englishgrammar101.com/](https://www.englishgrammar101.com/)
* Oxford Learner's Dictionaries: Offers a comprehensive explanation of past and present tense, with examples and exercises. [https://www.oxfordlearnersdictionaries.com/](https://www.oxfordlearnersdictionaries.com/)
* BBC Learning English: Provides interactive lessons on various aspects of English grammar, including past and present tense. [https://www.bbc.com/learningenglish/](https://www.bbc.com/learningenglish/)
* English Central: Offers interactive video lessons, pronunciation practice, and grammar explanations. [https://www.englishcentral.com/](https://www.englishcentral.com/)
Books:
* "English Grammar in Use" by Raymond Murphy: A popular and comprehensive grammar textbook with clear explanations and exercises.
* "Oxford Learner's Grammar" by John Eastwood: Another well-regarded grammar textbook with detailed information on past and present tense.
* "The Elements of Style" by William Strunk Jr. and E.B. White: A classic guide to writing in English, including chapters on grammar and usage.
Other Resources:
* Your local library: They often have a wide selection of books and resources on English grammar.
* English language schools: Many language schools offer classes and courses on grammar, including past and present tense.
Tips for Choosing a Tutorial:
* Consider your learning style and preferences: Do you prefer videos, written explanations, or interactive exercises?
* Choose a resource that is at your level: Don't be afraid to start with basic tutorials and gradually work your way up.
* Practice regularly: The best way to learn grammar is to use it. Make sure to practice the past and present tense in your writing and speaking.
No matter which resource you choose, make sure to practice regularly and have fun learning!