Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

DHNB: now, right now, (!), at present, at the moment,.....

-------------------------------------------------

What: cái gì 

Where: ở đâu 

Who: ai 

-------------------------------------------------

IV)

1. What are you playing now?

2. What is he playing now?

3. Where are you typing the letter?

4. Who is cleaning the floor now?

5. What is he waiting for now?

V)

1. There are five people in the Pikes' family

Dẫn chứng: Mr. Pike, Peter, Dick, Susan, Mrs. Pike.

2. The Pikes have a daughter.

Dẫn chứng: Susan 

3. Mrs. Pike is washing the dishes in the kitchen.

Dẫn chứng: Câu 9

4. No, they aren't.

Dẫn chứng: Câu 13

5. Susan is cleaning the vegetables.

Dẫn chứng: Câu 10

`color{orange}{~MiaMB~}`

`IV.`

1. What are you playing now?

2. What is he playing now?

3. Where are you typing the letter?

4. Who is cleaning the floor now?

5. Whar is he waiting for now?

`***` HTTD:
(+) S + am/is/are + V_ing+ O

(-) S + am/is/are + not + V_ing + O

(?) Am/is/are + S +  V_ing + O?

`V.`

1. There are five people

- DC: Trong đoạn văn nói về gia đình Pikes gồm có: Mr Pike,  Mrs.Pike, Peter, Dick, Susan

2. There is a daughter

- DC: Susan

3. She is washing the dishes

- DC: Cuối dòng 4 - 5

5. No, they aren't

- DC: Câu đầu đoạn 2

6. She is cleaning the vegetables

- DC: Dòng 5