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Hãy luôn nhớ cảm ơn và vote 5*
nếu câu trả lời hữu ích nhé!
`-` CĐ :
`+` HTHT : S + have / has + VpII
`+` QKTD : S + was / were + V-ing
`+` Should : S + should + V-inf
`1`.You should take the medicine after meals
`2`.My mother hasn't worked for ten years
`->` Thì HTHT ( PĐ ) : S + haven't / hasn't + VpII
`=>` He , She , It `+` hasn't
`->` For + Time : Bao lâu
`3`.We have saved the file you need to another folder
`4`.As I was walking home , I thought someone was following me
`\text{# TF}`
Hãy giúp mọi người biết câu trả lời này thế nào?

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