Sentences where we don't know who does/did the action, or who their identity is less important: The building has been completed, Electricity is used to power home across the world , The solar panel was originally invented by an American man, Sentences where we know do did/does the action: Charles Fritts invented the solar panel, People around the world use electricity to power their home, The team has completed the building,

Passive/active

สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

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