`1`.was

`\rightarrow` Thì QKĐ ( ĐT Tobe ) : S + was / were + adj / n

`\rightarrow` Đặc điểm nhận dạng : yesterday

`2`.won't be

`\rightarrow` Thì TLĐ ( ĐT Tobe - CPĐ ) : S + won't be + adj / n

`\rightarrow` Đặc điểm nhận dạng : next

`3`.Was / was

`\rightarrow` Thì QKĐ ( ĐT Tobe - CNV ) : Was / Were + S + adj / n ?

`\rightarrow` Đặc điểm nhận dạng : last

`4`.does

`\rightarrow` Thì HTĐ : S + V s / es / không s , es

`\rightarrow` Đặc điểm nhận dạng : often

`5`.did ... go ?

`\rightarrow` Thì QKĐ ( CNV ) : Did + S + V ?

`\rightarrow` Đặc điểm nhận dạng : last

`\text{@ TheFox}`

` 1 `: was

` QKĐ `: Tobe : S + was / were + ...

` DHNB `: Yesterday

` 2 `: won't be

` TLĐ ` phủ định : S + won't + V nguyên mẫu

`DHNB `: Next sunday

` 3 `: Was he at the part last night ? - Yes he was

` QKĐ `: Tobe :

` ( ? ) ` : Was / Were + S + ... ?

` - `Yes + S + was / were 

` -` No + S + wasn't / weren't

` 4 ` : does

`HTĐ`: S + Vs/es

`DHNB `: often

` 5 ` : did - go

` QKĐ `nghi vấn : Did + S + V nguyên mẫu

` DHNB ` : Last night