$\begin{array}{c} \color{#db1616}{\texttt{#MPhuocc}} \end{array}$          =))

`1`. is going

`2`. is crying

`3`. is your brother sitting

`4`. are trying

`5`. are cooking

`6`. are talking

`7`. am not staying

`8`. is lying

`9`. are travelling

`10`. is not working

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

`@` HTTD

`(+)` S + tobe + V-ing + O

`(-)` S + tobe + not + V-ing + O

`(?)` Tobe + S + V-ing + O?

`@` DHNB : at the moment, at present, now,...

`@` N(số ít) : he/she/it/... + is

`@` N(số nhiều) : we/you/they/... + are

Công thức thì HTTD 

(+) S + am/is/are + Ving 

(-) S + am/is/are + not + Ving 

(?) Am/Is/Are +S +Ving? 

I + am

S số ít, he, she, it + is

S số nhiều, you ,we, they + are

DHNB: now, right now, (!), at present, at the moment,.....

--------------------------------------------------------

1. is going 

DHNB: Look! 

2. is crying 

DHNB: Listen! 

3. is sitting 

DHNB: at present 

4. are trying 

DHNB: now 

5. are cooking 

6. are talking 

DHNB: Keep silent! 

7. am not staying 

DHNB: at the moment 

8. is lying 

DHNB: now 

9. are traveling 

DHNB: at present 

10. isn't working 

DHNB: now 

`color{orange}{~MiaMB~}`