Someone plants this tree every summer

`⇒` This tree is planted by someone every summer.

`→` Tree `=` It : ngôi thứ 3 số ít `⇒` Tobe là "is"

Nam does his homework everyday

`⇒` His homework is done by Nam everyday.

`→` Homework `=` It `⇒` Tobe là "is"

He washes his bike on Sundays

`=>` His bike is washed by him on Sundays.

`→` Bike `=` It : ngôi thứ 3 số ít `⇒` Tobe là "is"

$\text{*Cấu trúc Câu bị động thì Hiện tại đơn:}$

Chủ động :  $\text{S + V(s/es) + O.}$

Bị động : $\text{S + be + V3(ed/BQT) + (by O).}$

                   $\text{#Alice}$

someone plants this tree every summer

→ This tree is planted by someone every summer.

nam does his homework everyday

→ His homework is done by Nam every day.

he washes his bike on sundays

→ His bike is washed (by him) on Sunday.

Cấu trúc câu bị động thì Hiện tại đơn

Active: S+V+O

Passive: S+is/am/are+Vpp+(by sb)+....

            (O)                   (V)      (S)