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$\textit{# Themoonstarhk}$

`41` Did - go (dấu hiệu : last tet vacation)

`42` Did - have (dấu hiệu : 3 years ago)

`43` Did - take (dấu hiệu : last week)

`44` Did - buy (dấu hiệu : yesterday)

`45` Did - put (dấu hiệu : last Sunday)

`46` Did - eat (dấu hiệu : yesterday)

`47` Did - wear (dấu hiệu : yesterday)

`48` Did - teach (dấu hiệu : last week)

`49` Did - remember (dấu hiệu : last month )

`50` Did - return (dấu hiệu : last week)

`51` went (dấu hiệu : last Monday)

`52` got (dấu hiệu : yesterday)

`53` Did - go (dấu hiệu : last night)

`@` Động từ tobe : I/he/she/it + was , we/you/they + were

`+)` S + was/were + ... 

`-)` S + was/were + not + ... 

`?)` Was/were + S + ... ? 

`@` Động từ thường : 

`+)` S + Ved/V2 + O 

`-)` S + didn't + V nguyên + O 

`?)` Did + S + V nguyên + O ?