$\begin{array}{c} \color{#db1616}{\texttt{#Lost}} \end{array}$

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`@` Thì hiện tại hoàn thành`:`

`***` Cấu trúc`:`

`(+)` S `+` have`/`has `+` V-ed`/``V_3`

`(-)` S `+` have`/`has `+` not `+` V-ed`/``V_3`

`(?)` Have`/`Has `+` S `+` V-ed`/``V_3``?`

`->` Yes`,` S `+` have`/`has`.`

`->` No`,` S `+` have`/`has not`.`

________

`*` Have `+` Danh từ số nhiều`,` ngôi thứ nhất`,` ngôi thứ `2.`

`*` Has `+` Danh từ số ít`,` không đếm được`,` 

___________________________

`Ans:` 

`I.`

`1,` have

`2,` has

`3,` have

`4,` have

`5,` has

`6,` have

`7,` has

`8,` has

`9,` have

`10,` have

`II.`

`1,` have not worked

`2,` have bought

`3,` have not planned

`4,` have you been

`5,` has written

`6,` has not seen

`7,` have you been

`8,` has not started

`9,` has he spoken

`10,` has not had