`1` .(-) We aren't working on the new show right now

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

`2` 

(+) I'm talking on the phone at the moment .

(?) Are you talking on the phone at the moment?

`3` 

(+) He is running very fast

(-) He isn't  running very fast

`4`

(-) Julia isn't baking a chocolate at the moment .

(?) Is Julia  baking a chocolate at the moment ? 

Thì hiện tại tiếp diễn 

(+)S + is/ are / am + Ving + O 

(-) S + isn't / aren't / amnot + Ving + O

(?) Is / Are / Am + S + Ving + O ? 

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

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

    (?) Are you  working on the new show right now /

2. (+)  I'm talking on the phone at the moment

    (-) I'm not talking on the phone at the moment

    (?) Am you talking on the phone at the moment ?

3. (+) He is running very fast

   (-) he iisn't running very fast

   (? ) Is he running very fast?

4. Julia is baking a chocolate cake at the moment

   (-) Julia isn't baking a chocolate cake at the moment

   (?)is Julia baking a chocolate cake at the moment