Put these sentences into negative : Chuyển những câu này thành câu phủ định

Cấu trúc thì quá khứ đơn với động từ thường ( dạng phủ định ) : 

` ( - ) ` : S + didn't + V nguyên mẫu  

- Dấu hiệu trong bài : last night , last Saturday , yesterday afternoon , yesterday

` 1 ` . I walked the dog last night 

` -> `  I didn't walk the dog last night 

` 2 `  . Fred and me went fishing last saturday

` -> ` Fred and me didn't go fishing last saturday

` 3 `  . She tidied her room yesterday afternoon

` -> `  She didn't tidy her room yesterday afternoon 

` 4 `  . I rode a scooter yesterday

` -> `  I didn't ride a scooter yesterday

` 5 `  . They read the latest Harry Potter book

` -> `  They didn't read the latest Harry Potter book

Đề : Chuyển các câu sau sang thể phủ định .

* Quá khứ đơn :

$\text{( + ) S + V-ed +...}$

$\text{( - ) S + didn't + V-inf +...}$

$\text{( ? ) Did + S + V-inf +...}$

Áp dụng :

I didn't walk the dog last night .

Fred and me didn't go fishing last Saturday .

She didn't tidy her room yesterday afternoon .

I didn't ride a scooter yesterday .

They didn't read the latest Harry Potter book .