The speaker discusses how to ask questions in English, starting with the verb "to be". They explain that to form a question with "to be", you simply move the verb to the beginning of the sentence, without changing the tone of voice. The speaker then introduces the verb "to do" as a helpful verb in forming questions, and explains how to use auxiliary verbs correctly. They emphasize the number one rule of the English language: when using auxiliary verbs, you don't conjugate the main verb. The speaker also touches on the differences between British and American English greetings, such as "How do you do?" vs. "How are you?".
Here are the key facts from the text:
1. The verb "to be" is used to ask questions in English.
2. In English, the verb "to be" comes at the beginning of a question.
3. The verb "to do" is used as an auxiliary verb to form questions in English.
4. When using auxiliary verbs, the main verb is not conjugated.
5. The verb "to do" has multiple forms, including "do", "does", and "did".
6. The verb "to do" is used to form questions in the present simple tense.
7. In English, the word order is changed to form a question, but the tone of voice does not indicate a question.
8. In Portuguese, the tone of voice is used to indicate a question.
9. The phrase "How are you?" is a common greeting in English.
10. In North American English, the response to "How are you?" is typically "I'm fine, thank you".
11. The verb "to do" is not conjugated when used as an auxiliary verb in English.
12. The main verb is not conjugated when an auxiliary verb is used in English.
13. The phrase "When you use auxiliary, don't conjugate verb" is a key rule in English grammar.
14. The verb "to do" is used as an auxiliary verb in English to form questions and negations.
15. The verb "to do" has different forms for different subjects, including "I", "you", "he", "she", and "it".