(+) S + V(s/es/ed/2)….., don’t/doesn’t/didn’t + S?

(-)S + don’t/ doesn’t/didn’t + V….., do/does/did + S?

1. isn't it

2.wasn't he

3.have you

4.aren't they

5.will we

6.are we

7.hasn't it

8.won't they

$\text{1.}$ isn't it ? 

$\text{2.}$ wasn't he ? 

$\text{3.}$ have you ? 

$\text{4.}$ aren't they ? 

$\text{5.}$ will we ? 
$\text{6.}$ are we ? 

$\text{7.}$ hasn't it ? 
$\text{8.}$ won't they/someone ? ( Chưa chắc ) 

→ Vế trước là phủ định thì vế sau là khẳng định 

→ Vế trước là khẳng định thì vế sau là phủ định 

→ S + Aux + (V) + O , Aux + not + S ?

→ S + Aux + not + (V) , Aux + S ? 

$#Keisha$