A positive sentence in the present progressive, a negative sentence, an example of a general question English urgent

Su Yang is singing.
Is Su Yang singing?
Su Yang isn't singing.

RELATED INFORMATIONS

1. The construction of affirmative, negative and interrogative sentences in the present continuous tense
2. The reform and answer of general questions in the present continuous tense
3. The construction of special questions in the present continuous tense Be right
4. For primary school English grammar and interrogative sentence usage, as well as what sentence with what and so on. And improve English skills What do you add to a sentence? For example, run is accentuated, adding ing becomes running
5. English special questions
6. The grammar of special questions is advanced 1. Why does the writer not understand the porter Why does not the writer understand the porter? 2.What are the St.Bernard Why don't you use the auxiliary verb do
7. How to change special questions
8. Change to a general question 【1】The boys are playing football in the park. 【2】 Mr.Zhang is my teacher. And the following is changed into a negative sentence 【3】There are some watches on the table.
9. Change into general questions and special questions we always do our homework in the evening he often play foodball after school
10. The first few questions are changed into general questions I am sleeping She has a ballpen 3. Mike is doing his home 4. I'm writing a letter to grandma He's going up a hill I am reading 7. I'm cleaning my room 8. It looks like me 9. Mike is (doing his home) 10. I'm writing a letter to my mom 11. Is he going up a hill 12. This is an apple 13. Do you have a schoolbag 14. I have (two) cakes I have an old book 16. They're from (America) He's standing in the classroom 18. Does he have a mouth 19. He's reading (under a tree) 20. He doesn't like being late 21. I'm (fishing) now 22. I read about (two) books a week
11. Are there affirmative sentences with present continuous tense, general questions and negative sentences? English urgent
12. The structure of general questions in the present continuous tense
13. Make some sentences in the present continuous tense 1. Affirmative sentences 2. Negative sentences 3. General questions 4. Special questions 4 Don't be too simple, don't be too complicated, just make the words of grade one in junior high school with a little variety, OK, I'll give you extra points How about some tricks? A few sentences are all in one sentence. Simple words have a reward
14. 10 special questions in the present continuous tense and answer them
15. Examples of sixteen tenses and structures in English: 1 present progressive: definition structure: 1 (declarative structure) 2 (interrogative structure) + answer The present perfect tense: (definition) Structure: (declarative structure): subject +. Question structure + answer + subject +.
16. What are the words in English present continuous tense
17. When do you want to add "ing" to the present continuous tense in English,
18. When does + ing need double ending letters? It's said in the book that there is only one consonant at the end of the book, but why not use training? There's also playing and swimming. I'm going to faint again
19. Why do you add the verb ing after like Why only I like swimming I like swim
20. Which verbs are followed by the verb ing form? Try to sort out all the verbs you know