`B`.

`1`.They didn't go to the movies yesterday

`\rightarrow` Thì QKĐ ( CPĐ ) : S + didn't + V

`\rightarrow` Đặc điểm nhận dạng : yesterday ( `1 , 2` )

`2`.Nga was late for school yesterday morning

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

`3`.The boys like playing video games

`\rightarrow` Thì HTĐ : S + Vs / es

`\rightarrow` Like + V-ing

`4`.What about going to the beach this weekend ?

`\rightarrow` What about + V-ing ?

`5`.Mr.Minh is traveling to Ha Noi by bus at the moment

`\rightarrow` Thì HTTD : S + is / am / are + V-ing

`\rightarrow` Đặc điểm nhận dạng : at the moment

`\text{# Kirigiri}`

$#Hy$

B. Complete the sentences

`\text{1, They didn't go to the movies yesterday}`

`+` Yesterday: dấu hiệu thì `QKĐ`

`(-)` S + did not/ didn't + V_inf

$\text{2, Nga was late to school yesterday morning}$

`+` yesterday morning: dấu hiệu thì `QKĐ`

`(+)` S + V_ed/ V_pp + O ...

(to be `=>` was/ were) 

$\text{3, The boys like playing video games}$

`+` like + V_ing: thích làm cái gì

$\text{4, What about going to the beach this weekend}$

`+` What about + V-ing: đưa ra ví dụ cho cái gì

$\text{5, Mr.Minh is traveling to Ha Noi by bus at the monent}$

`+` at the monent: Dấu hiệu HTTD

`(+):` S + is/ am/ are + V_ing

`-` by + (phương tiện giao thông): đi bởi (phương tiện giao thông)