13.isn't drinking 

14. am vacuuming 

15.is watching 

16. is she eating 

17.Is your dog hiding 

18.are you reading 

19. is driving 

20.am washing 

Công thức : 

S+is/am/are + V-ing 

S+is/am/are + not + V-ing 

Is/am/are + S + V-ing ? 

Dấu hiệu : 

now,rightnow , at the moment , at present 

Xin hay nhất cho nhóm ạ please :(

@Lynkk

$#Cam$

` -> ` Thì HTTD

` -> ` S + be + V-ing

` -> ` S + be not + V-ing

` -> ` Be + S + V-ing ?

` 13 ` isn't drinking

` -> ` DHNB : now

` 14 ` am vacuuming

` -> ` DHNB : right now

` 15 ` is watching

` 16 ` is she eating

` -> ` DHNB : right now

` 17 ` is your dog hiding 

` 18 ` are you reading

` -> ` DHNB : nowadays

` 19 `  is driving

` -> ` DHNB : now

` 20 ` am washing

` -> ` DHNB : at the moment