The usage of be verb and auxiliary verb I just want to ask When to use the auxiliary verb and when to use the be verb When there is a verb, is it a be verb or an auxiliary verb

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• 1. The construction of the verb be
• 2. The usage of be verb and auxiliary verb The usage of be verb and auxiliary verb in declarative sentence, interrogative sentence and negative sentence is concise
• 3. When do you use the be verb and the auxiliary verb in English,
• 4. Is it possible to use the auxiliary verb do / does instead of be when there are verbs in a sentence? Answer yes or no, speed up
• 5. What's the use of auxiliary verbs and be verbs in a sentence in English?
• 6. In English sentences, when to use the be verb, when to use the auxiliary verb, and when not to use it
• 7. When to use do does and when to use copulars such as is are For example: 1. Why does Mrs. Li's cat stop catching mice? Do you use do or is? Have you cleared your luggage? How to say it? Why use have? It's better to talk about when and what to use? isn't －－－－catching－－？ Who can explain to me why
• 8. What are action verbs, modal verbs, linking verbs, auxiliary verbs and copulars in English?
• 9. What do English transitive verbs and intransitive verbs mean, auxiliary verbs?
• 10. What are auxiliary verbs, modal verbs, connective verbs and examples in English
• 11. When to use do / does and when to use the verb be?
• 12. Is or are in the third person plural?
• 13. Is the predicate used in a sentence with the same form in the singular and plural For example, there () some water. Please give more examples,
• 14. she is a teacher.
• 15. They are girls she is my sister
• 16. The plural of AM; is
• 17. The plural form of is / am this that ciass bus
• 18. Which can be used in the plural form TOM and I ___ good friends
• 19. What is the plural of is?
• 20. Am (plural)_____ Come on, will you?