`1`.George is a good cook

`\rightarrow` Thì HTĐ ( ĐT Tobe ) : S + is / am / are + adj / n

`\rightarrow` Cấu trúc : A / An / Không + ( adj ) + N

`2`.One of the greatest football players is Cong Vinh

`\rightarrow` So sánh nhất : S + is / am / are + the adj-est / the most adj

`3`.Why didn't you come to class last Monday ?

`\rightarrow` Thì QKĐ ( PĐ ) : S + didn't + V

`\rightarrow` Why dùng để hỏi lý do

`4`.I didn't have a toothache and neither did they

`\rightarrow` Neither + do / does / ... + S : Cũng không

`\rightarrow` Dùng để chỉ 2 ý kiến không đồng tình

`5`.Hung isn't as good at Chemistry as Minh

`\rightarrow` So sánh ngang bằng : S1 + is / am / are ( not ) + as + adj + as + S2

`6`.I need half a kilo of beef

`\rightarrow` Thì HTĐ : S + Vs / es

`\rightarrow` half a kilo : nửa cân

`7`.Hoa asked if / whether Phong Nha Cave was in Quang Binh province

`\rightarrow` Câu tường thuật NV ( Yes / No ) : S + asked + O + if / whether + S + V ( lùi thì )

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

`8`.It's 3 weeks since Mai last saw her grandparents

`\rightarrow` It is + time + since + S + last + Ved / V2 : Đã bao lâu kể từ khi lần cuối làm gì

`\text{# Kirigiri}`

1. is good at cooking

be good at Ving: giỏi việc gì

2. players in our country is Cong Vinh

=> một trong những cầu thủ bóng đá xuất sắc nhất của nước tôi là Công Vinh

3. you come to class last monday

=> be absent from = not come to: vắng mặt

4. a toothache and neither did they

=> neither + trợ động từ/tobe + S dùng trong mệnh đề đồng tình dạng phủ định

5. as good at Chemistry as Hung

=> so sánh bằng: as + adj + as

6. a half kilo of beef

=> a half: một nửa

7. if Phong Nha cave was in Quang Binh province

=> Câu gián tiếp dạng yes/no question: asked sb if + mệnh đề dạng khẳng định và lùi 1 thì

8. It's 3 weeks since Mai last saw her grandparents

=> since: kể từ khi