`1.` 

`(+)` Alan is finishing his housework at the moment.

`(-)` Alan isn't finishing his housework at the moment.

`(?)` Is Alan finishing his housework at the moment?

`-` at the moment : ngay bây giờ `->` thì HTTD

`2.` 

`(+)` Susy is taking a bath now.

`(-)` Susy isn't taking a bath now.

`(?)` Is Susy taking a bath now?

`-` now : bây giờ `->` thì HTTD

`3.` 

`(+)` I am writing a letter to my mother now.

`(-)` I amnot writing a letter to my mother now.

`(?)` Are you writing a letter to my mother now.

`4.`

`(+)` Grandma is watching TV at the moment.

`(-)`  Grandma isn't watching TV at the moment.

`(?)` Is grandma watching TV at the moment?

`5.`

`(+)` We are reading a new book.

`(-)` We aren't reading a new book.

`(?)` Are they reading a new book?

__ ___ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __

`@` Thì HTTD

`(+)` S + tobe + V_ing + O.

`(-)` S + isn't/aren't/amnot + V_ing + O.

`(?)` Is/Am/Are + S + V_ing + O?

Wh/h + tobe + S + V_ing + O?

6. Where is he going? He is going to his grandfather's house.

7. We are writing a letter to our foreign friends.

8. It isn't raining now.

9. How is Phuong travelling to Nha Trang?

10. They aren't playing volleyball at the moment.

Ex7.

1.  Alan is finishing his homework at the moment.

     Alen isn't finishing his homework at the moment.

     Is Alan finishing his homework at the moment?

2. Suzy is taking a bath now

   Suzy isn't taking a bath now

   Is Suzy taking a bath now?

3. I am writing a letter to my mother now

   I am not writing a letter to my mother now

  Am I writing a letter to my mother now?

4. Grandma is watching TV at the moment.

   Grandma isn't watchingTV at the moment

   Is grandma watching TV at the moment?

5. We are reading a new book now

    We aren't reading a new book now

    Are we reading a new book now?

CHÚC BẠN HỌC TỐT!!!