Giúp mình với 🫶🫶🫶🫶

` Answer : `

 ` *** #Hoidap247# *** `

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` 27.B `

` - ` Am ` to ` was

` - ` CT Mệnh đề When : When ` + ` S ` + ` V, S `+` V

` @ ` When `+` S ` + ` V2 `/-`ed(Simple past), S `+` V2`/-`ed (Simple past)

` to ` Diễn tả hai hành động xảy ra song song, hoặc liên tiếp trong quá khứ

` 28.C `

` - ` Stay ` to ` Stayed

` 29. to ` We visited our grandparents in the countryside last summer.

` - DHNB : ` Last summer

` to ` Thì QKĐ

` 30. to ` There were no cars in the village.

` - ` CT : There were `+` not `+` Plural nouns, Countable nouns (Danh từ số nhiều, đếm được)

` 31. to ` He travelled to London when he was young.

` - ` CT Mệnh đề When : When ` + ` S ` + ` V, S `+` V

` @ ` When `+` S ` + ` V2 `/-`ed(Simple past), S `+` V2`/-`ed (Simple past)

` to ` Diễn tả hai hành động xảy ra song song, hoặc liên tiếp trong quá khứ

` 32. to ` The Montgolflier brothers were the inventors of the hot `-` air balloon. 

` ----------------------- `
 ` - ` CT Thì QKĐ
` @ ` Với VTobe :
` (+) ` S `+` was `/` were ` + ` O (Adj`/`N)
` @ ` Trong đó :
S `=` I`/` He`/` She`/` It`/` N số ít `+` was
S `=` We`/` You`/` They`/` N số nhiều `+` were
` (-) `S + was `/` were `+` not
` @ ` Trong đó :
Was not `=` wasn’t
Were not `=` weren’t
` (?) ` Was `/` Were `+` S `+` O `?`
` *** ` Dạng câu hỏi : Wh`-`word `+` Was`/`Were `+` S `+` V`-`inf ` + ` O `?`
` ----------------------- `
` @ ` Với V thường :
` (+) ` S `+` V2`/-` ed `+` O
` (-) ` S `+` did not ` + ` V`-`inf
` (?) ` Did `+` S `+` V`-`inf `?`
` *** ` Dạng câu hỏi : Wh`-`word `+` Did `+` S `+` V`-`inf ` + ` O `?`
` ----------------------- `
` - DHNB : ` Yesterday
` + ` Ago `+` Time (Trong quá khứ)
` + ` Last `+` week`/` year`/`month
` + ` In the past
` + ` The day before
` + ` Những khoảng thời gian đã qua trong ngày : Today, this morning, this afternoon, this evening...

` #Pyyx# `