$\text{Part 1.}$ 

$\text{1.}$ The seats in the Opera House are very comfortable . 

→ S + be + adj : miêu tả cái j/ai đó như thế nào 

$\text{2.}$ Kien was choosen for the school's football team two years ago . 

→ Bị động thì Quá Khứ Đơn : S + was/were + Vpp + ( by O ) 

$\text{3.}$ If you are not careful , you will hurt yourself .

→ V + or/otherwese + S + V(present simple) 

→ If + S + is/am/are not hoặc don't/doesn't + V-inf , S + will/can/may + V-inf

$\text{4.}$ My brother's hobby is playing the guitar . 

→ enjoy + V-ing : thích làm gì

→ TT sở hữu + sb's + hobby + be + V-ing 

$\text{5.}$ This house was built five years ago . 

→ Bị động thì Quá Khứ Đơn : S + was/were + Vpp + ( by O ) 

$#Lynkk$

`1.` The seats in the Opera House are very comfortable. 

`-` Cấu trúc: S + be + adj/ N

`2.` Kien was chosen for the school's football team two years ago. 

`-` two years ago là DHNB thì QKĐ

`-` Cấu trúc câu bị động thì QKĐ: S + was/were + V3 + by O

`3.` If you are not careful, you'll hurt yourself

`-` Cấu trúc câu đk loại 1: If + S + V(s/es), S + will/ can/ shall + V1 

`4.` My brother's hobby is playing the guitar. 

`-` Cấu trúc: TTSH + hobby + be + Ving 

`5.` This house was built five years ago. 

`-` five years ago là DHNB thì QKĐ

`-` Cấu trúc câu bị động thì QKĐ: S + was/were + V3 + by O

@Càng

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