`1` didn't meet

`2` Did you 

`3` studied

`4` were you 

`->` Cấu trúc : WH_Q + was/were + S + ... ?

`5` didn't know

Giải thích

Cấu trúc thì QKĐ

`(+)` S + V2/ed + ...

`(-)` S + didn't + V-inf

`(  ?  )` Did + S + V-inf ?

                              $#𝙻𝚎𝚗𝚒 ʕ^•ᴥ•^ʔ$

1. We didn't meet them at the workshop yesterday

2. Did you play table tennis with Tim last Sunday

3. Van studied arts when she was at school

4. where were you yesterday afternoon ?

5. Mary didn't know anything about him in the past.

***Công thức thì quá khứ đơn với động từ “TOBE”***

1. Thể khẳng định:

$\longrightarrow$ $\text{Cấu trúc: S + was/ were +…}$

2. Thể phủ định:

$\longrightarrow$ $\text{Cấu trúc: S + was/ were + not + ...}$

3. Câu hỏi Yes/No question:

$\longrightarrow$ $\text{Cấu trúc: Was/ Were + S +…?}$

4. Câu hỏi WH- question

$\longrightarrow$ $\text{Cấu trúc: WH-word + was/ were + S (+ not) +…?}$

***Công thức thì quá khứ đơn với động từ thường***

1. Thể khẳng định

$\text{Cấu trúc: S + V2/ed +…}$

2. Thể phủ định

$\text{Cấu trúc: S + did not + V (nguyên mẫu)}$

3. Câu hỏi Yes/ No question

$\text{Cấu trúc: Did + S + V (nguyên thể)?}$

4. Câu hỏi WH- question

$\text{Cấu trúc: WH-word + did + S + (not) + V (nguyên mẫu)?}$

$#tqn$