$@dream$

`8,` Sue and her friends are doing yoga at the gym now.

`-` now là DHNB của thì hiện tại tiếp diễn.

`-` Công thức: S + am/is/are + V-ing

`-` at + địa điểm

`9,` Last week, we studied how to surf. It was very interesting.

`-` Last week là DHNB của thì quá khứ đơn.

`-` Công thức:

S + Ved/ V2.

S + was/ were + ...

`-` Cấu trúc: how to + Vinf (làm thế nào để làm gì)

`10,` He usually plays football with his friends on Sundays.

`-` usually là DHNB của thì hiện tại đơn

`-` Công thức: S + Vs/es

`-` with + O (với ai)

`-` on + thứ

`11,` Where were the children in yesterday morning? - They were at the swimming pool.

`-` yesterday morning là DHNB của thì quá khứ đơn.

`12,` His father taught him how to play football at a very young age.

`8`.Sue and her friends are doing yoga at the gym now

`\rightarrow` Thì HTTD : S + be + V-ing

`\rightarrow` Đặc điểm nhận dạng : now

`9`.Last week , we studied how to surf . It was very interesting

`\rightarrow` Thì QKĐ : S + Ved / V2

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

`10`.He usually plays football with his friends on Saturdays

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

`\rightarrow` Đặc điểm nhận dạng : usually

`11`.Where were the children yesterday morning ? They were at the swimming pool

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

`\rightarrow` Đặc điểm nhận dạng : yesterday

`12`.His father taught him how to play football at a very young age

`\rightarrow` Thì QKĐ : S + Ved / V2

`\rightarrow` at a very young age `=` Quá khứ

`\text{@ TheFox}`