giúp e vs ạ e c.ơn ạ

`-` Thì QKĐ ( PĐ ) :

`+` ĐT Tobe : S + wasn't / weren't + adj / n

`+` ĐT Thường : S + didn't + V

`=>` `DHNB` : yesterday , ago , last , in + Mốc thời gian trong Quá khứ , ...

`-` Thì QKTD ( PĐ ) :

`=>` S + wasn't / weren't + V-ing

`=>` `DHNB` : this time yesterday , at this time yesterday , ...

`1`.didn't

`2`.didn't

`3`.wasn't

`4`.weren't

`5`.didn't

`\text{# TF}`