Unit7 Grammar 2Unit7 Grammar 2When to use the When to use the active voice
active voice
★ It’s important to know who performs the action
The ORBIS doctor do operations on the plane
The ORBIS doctor do operations on the plane
When to use the When to use the passive voice
passive voice
★It is obvious( 显然 ) who performs the action
★We do not know or do not want to know who performs the action
★We think the action is more important than the person who performs the action
Be is, am, areis, am, arewas, werewas, were + done +by sb+by sbWhat do they do every year
What do they do every year
Charity activities (plan/ to help the poor)
Leaflets (hand out/ to people in the street/ volunteers)
Toys and CDs (sell/ to raise money)
are planned to help the poorare handed out to the people in the