Answer:

`1.` The children are playing in the park.

`2.` I am not studying, I am watching TV.

`3.` She is listening to music with headphones.

`4.` They are not eating lunch.

`5.` What are you doing now?

`6.` The dog is chasing its tail.

`7.` He is talking on the phone.

`8.` We are waiting for the bus.

`9.` She is wearing a blue dress.

`10.` I am listening to the teacher attentively.

`----------`

Thì Hiện tại tiếp diễn:

`(+)` S `+` tobe ( am/is/are ) `+` V_ing `+` O.

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

`(?)` `@` Tobe ( Am/Is/Are ) `+` V_ing `+` O?

`->` Yes, S `+` tobe ( am/is/are ).

`->` No, S `+` tobe ( am/is/are ) not.

`@` Wh-word `+` tobe ( am/is/are ) `+` S `+` doing `+` O?

`-` DHNB: now, at the moment,...

` 1`. The children are playing in the park.

` 2`. I am not studying, I'm watching TV.

` 3`. She is listening to music with her headphones.

` 4`. They aren't eating lunch.

` 5`. What are you doing now?

` 6`. The dog is chasing its tail.

` 7`. He is talking on phone.

` 8`. We are waiting for the bus.

` -` waiting for sth : chờ đợi cái gì

` 9`. She is wearing blue dress.

` 10`. I am listening to the teacher attentively.

` -------------`

` @` Hiện tại tiếp diễn 

` (+)` S + is/am/are + V-ing + ...

` (-)` S + is/am/are + not + V-ing + ...

` (?)` Is/am/are + S + V-ing + ...?

` -` DHNB : now, right now, at present, at the moment, ....

` -` Dùng cho sự việc đang diễn ra và chưa dừng lại.