`26`.Nga said that she could play the piano very well

`\rightarrow` Câu tường thuật : S + said + that + S + V ( lùi thì ) ( `26 , 29` )

`\rightarrow` Can `->` Could ( `26 , 29` )

`27`.If I were you , I would buy a new bike

`\rightarrow` CĐK Loại 2 : Diễn tả hành động không có thật ở Hiện tại

`-` If - clause : Thì QKĐ : S + Ved / V2

`-` Main - clause : Thì TLTQK : S + would + V

`28`.All our flowers were destroyed last night

`\rightarrow` BĐ `-` Thì QKĐ : S + was / were + V3 / PII ( by O )

`29`.Hoa said that she couldn't go to the English class

`\text{# Kirigiri}`