`1`.Maryam said that she was having a good time there

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

`\rightarrow` HTTD `->` QKTD : S + was / were + V-ing

`2`.Hoa asked Maryam if she liked this kind of music

`\rightarrow` Câu tường thuật NV : S + asked + O + if / whether + S + V ( lùi thì )

`\rightarrow` HTĐ `->` QKĐ : S + Ved / V2

`3`.I haven't seen her for two years

`\rightarrow` Thì HTHT ( CPĐ ) : S + haven't / hasn't + V3 / PII

`\rightarrow` Đặc điểm nhận dạng : for

`4`.You have watched this film twice

`\rightarrow` Thì HTHT ( CKĐ ) : S + have / has + V3 / PII

`5`.A daily newspaper was published in Germany in 1550

`\rightarrow` Câu bị động `-` Thì QKĐ : S + was / were + V3 / PII ( by O ) ( `5 , 6` )

`6`.When was the telephone invented ?

`7`.The Internet is used all over the world nowadays

`\rightarrow` Câu bị động `-` Thì QKĐ : S + Ved / V2

`8`.Unless you water the tree , they will be die

`\rightarrow` CĐK Loại 1 ( `8 , 9 , 10` ) :

`-` If - clause : Thì HTĐ : S + Vs / es / không s , es

`-` Main - clause : Thì TLĐ : S + will + V

`\rightarrow` Unless `=` If not : Trừ phi

`9`.If you take exercise regularly , you will get fit

`10`.If you study hard , you will succeed in the exam

`11`.She's looking forward to going away on holiday

`\rightarrow` Looking forward + to V-ing : Mong chờ điều gì

`\text{@ TheFox}`