`9`.I am interested in English

`\rightarrow` be interested in + V-ing / N : Hứng thú cái gì

`10`.They will fix our roof tomorrow

`\rightarrow` Thì TLĐ : S + will + V

`\rightarrow` Đặc điểm nhận dạng : tomorrow

`11`.Flying cars will be shown to the public when they finish it

`\rightarrow` BĐ `-` Thì TLĐ : S + will be + V3 / PII ( by O ) ( `11 , 12` )

`12`.Solar panels will be installed on the roof of our house next week

`13`.Biogas will be being used for cooking and heating at this time next month

`\rightarrow` BĐ `-` Thì TLTD : S + will be being + V3 / PII ( by O )

`14`.Fossil fuels won't be burned for energy in the future

`\rightarrow` BĐPĐ `-` Thì TLĐ : S + won't be + V3 / PII ( by O )

`15`.Tokyo has fewer billionaires than New York

`\rightarrow` So sánh hơn ( Danh từ ) : S1 + V + less / fewer / more + N + than + S2 ( `15 , 17 , 19` )

`16`.Did a group of foreigners visit the slums last week ?

`\rightarrow` Thì QKĐ ( NV ) : Did + S + V ?

`\rightarrow` Đặc điểm nhận dạng : last

`17`.The countryside suffers less pollution than the city

`18`.Overpopulation cause a lot of social problems in this area , doesn't it ?

`\rightarrow` Tag-question : Do / Does / ... + S ?

`\rightarrow` Khi mệnh đề là CKĐ thì Tag-question là CPĐ và ngược lại

`19`.Shanghai has more skyscrapers than Jakarta

`20`.How about going to the school cafeteria ?

`\rightarrow` How about + V-ing ?

`\text{# Kirigiri}`

9.I am interested in English (find sth/doing sth adj = be interested in + N/V-ing)

10.They will fix our roof tomorrow (Chủ động của thì TLĐ : S + will + V nguyên)

11.Flying cars will be showed to the public when they finish it (Bị động của thì TLĐ : S + will + be + Ved/V3 + by O)

12.Solar panels will be installed on the roof of our house next week (Bị động của thì TLĐ)

13.Biogas will be being used for cooking and heating at this time next month (Bị động của thì TLTD : S + will + be + being + Ved/v3 + by O )

14.Fossil fuels won't be burnt for energy in the future (Bị động của thì TLĐ : S + will + be + Ved/V3 + by O)

15.Tokyo has fewer billionaires than New Yorrk (S1 + be/V + fewer + N đếm được số nhiều + than + S2 )

16.Did a group of foreigners visit the slums last week? (Did + S + V nguyên + O ? - câu hỏi đuôi ) 

17.The countryside suffers less pollution than the city (S1 + be/V + less + N ko đếm được + than + S2)

18.Overpopulation causes a lot of social problems in this area , doens't it ? (câu hỏi đuôi : S + be/V + ... , be/Aux + not + S?

19.Shanghai has more skycrapers than Jakarta (more + N đếm được số nhiều hoặc N ko đếm được)

20.What/How about going to the school cafetira ? (What/How about + V-ing ? = Let's + V nguyên -> Đưa ra lời mời , yêu cầu , đề nghị )