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`1.` She is washing her hair.

`2.` It is snowing.

`3.` Jack and Rose are sitting on the couch.

`4.` It is raining heavily.

`5.` Linda is learning French.

`6.` My dad is listening to the stereo.

`7.` My friends are smoking in their rooms.

`8.` I’m playing video games.

`9.` Are you watching movies`?`

`10.` What are you thinking`?`

`11.` What are your two kids doing`?`

`12.` Is it snowing`?`

`13.` Is that computer working`?`

`14.` Jane is writing a novel.

`15.` Why are you crying`?`

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

`-` Cấu trúc thì HTTD:

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

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

`(?)` Am/Is/Are `+` S `+` V-ing `?`

`->` Yes, S `+` am/is/are `/` No, S `+` am/is/are `+` not

`(Wh-q)` Wh-question `+` am/is/are `+` S `+` V-ing `?`

`-` Trong đó:

`+` I `+ am`

`+` He/ She/ It/ Danh từ số ít/ Danh từ không đếm được `+ is`

`+` You/ We/ They/ Danh từ số nhiều `+ are`