`1)` children/was/sister's/with/ month/ What/?/ matter/ the/ my/ last/

`=>` What was the matter with my sister's children last moth ?

`-` Nghi vấn : Wh-ques + aux + S + V ?

`-` last là dấu hiệu chia thì QKĐ : S + V2/ed + ......

`-` What + tobe + the matter with sb / sth ? : điều gì xảy ra với ai / thứ gì

`2)` Is/ often/ warm/in/ weather/ spring/ the/ ? Yes, it is.

`=>` Is the weather often warm in spring ? Yes, it is.

`-` Nghi vấn : Tobe + S + adj + .... ? 

`3)` Hoa/on/ was/ Hanoi/ born/ in/ 5th/ January/.

`=>` Hoa was born in Hanoi on 5th January.

`-` in + địa điểm / nơi chốn

`-` on + ngày + tháng 

`-` CBĐ : S + was/were + P2 + ........

`4)` did/do/ mother/ What/ last/ in/ often/ Lan's / summer/?/

`=>` What did Lan's mother do in last summer ?

`-` Nghi vấn : Wh-ques + aux + S + V ?

`-` last là dấu hiệu chia thì QKĐ : S + V2/ed + ......

`5)` friends/ Mai's /going / Are/ bike/ house/by/to/school/?

`=>` Are Mai's friend going from house to school by bike?

`-` from swh to swh : từ đâu đến đâu

`-` Nghi vấn HTTD : Am/is/are + S + V-ing ?

`6)` English/ could/When/ 7 years old/ Minh's/ was /sister/ speak/she/.

`=>` When Minh's sister was 7 years old , she could speak English

`-` Thì QKĐ : S + was/were + N ......

`-` could + V-inf : có thể làm gì

`7)` on / playing/friend/ park/ in /her/ like/ Sunday / Does/ the/?

`=>` Does her friend like playing in the park on Sunday ?

`-` on + thứ trong tuần

`-` Nghi vấn : Do/does + S + V ? 

`8)` Yesterday / can't / bike / now/ her/lost / and she find /Lan/it/

`=>` Yesterday Lan lost her bike and and she can't find it now

`-` Yesterday là dấu hiệu chia thì QKĐ : S + V2/ed + ......

`-` can't + V-inf : không thể làm gì