`Answer:`

`1,` Are my neighbors singing

`2,` Are those mice hiding 

`-` mice: những chú chuột

____________________________________

$\text{*Present continuous:}$

`+)` $\text{S + am/is/are + V_ing}$

`-)` $\text{S + am/is/are + not + V_ing}$

`?)` $\text{Am/Is/Are + (not) + S + V_ing}$

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

`@` Note:

`-` $\text{I + am}$

`-` $\text{You/We/They/DT số nhiều + are}$

`-` $\text{He/She/It/DT số ít + is}$

`#TD`