Giải giúp mình câu này với cảm ơn

`1.` `(+)` We are working on the new show right now.

    `(-)` We are not working on the new show right now.

    `(?)` Are we working on the new show right now?

`2.` `(-)` I‘m not talking on the phone at this moment.

     `(+)` I‘m talking on the phone at this moment.

     ` (?)` Am I talking on the phone at this moment?

`3.` `(?)` Is he running very fast?

   `(+)` He is running very fast.

   ` (-)` He is not running very fast.

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

`@` Thì HTTD: 

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

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

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

`#vu0000`

`1` 

`+` We are working on the show right now

`→` `-` We aren't working on the show right now

`→` `?` Are we working on the show right now

`2`

`-` I'm not talking on the phone at this moment

`→` `+` I'm talking on the phone at this moment

`→` `?` Am I talking on the phone at this moment

`3` 

`?` Is he running very fast

`→` `-` He isn't running very fast

`→ `+` He is running very fast 

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

`@` Thì HTTD `:`

`@` Dấu hiệu nhận biết `:` now , at the/this moment , at present ,......

`@` Form `:`

`+` S `+` am/is/are `+` Ving `+` `.....`

`-` S `+` am not/is not/ are not `+` Ving `+` `......`

`?` Am/Is/Are `+` S `+` Ving `+` `......`

`@` I `+` am/am not

He she it `(` số ít `)` `+` is/is not

We you they `(` số nhiều `)` `+` are/are not