Section Ⅲ　Grammar--被动语态

语 境 自 主 领 悟 先观察原句 后自主感悟 ①Both the headsets and the gloves are connected to a computer network in the VR studio.

②In one case，a teenager who was afraid of talking and playing with his schoolmates was treated with VR.

③To achieve this，special VR headsets are designed to allow the users to see in 3­D and hear the sound all around them.

④Engineers can enter the design of a neighbourhood into a computer，and then use VR to"walk"around the neighbourhood，see how it looks and make changes before construction is carried out.

⑤Besides this，VR can be used to practise skills in a secure environment that otherwise would be quite dangerous.

⑥However，with VR we are able to do things that could never be achieved in real life. 1.在被动语态的句子中主语是动作的承受者。

2.在被动语态的句子中谓语的基本构成形式为：be＋及物动词的过去分词。

3.在被动语态的句子中谓语可以有各种时态或含有情态动词。

　　一、基本概念

　　英语中动词有主动语态(Active Voice)和被动语态(Passive Voice)之分。如果主语是动作或状态的发出者，动词就用主动语态；如果主语是动作或状态的承受者，动词就用被动语态。

　　Our English teacher encouraged Mary.

　　我们英语老师鼓励了玛丽。

　　Mary was encouraged by our English teacher.

　　玛丽受到了我们英语老师的鼓励。

上面第一句中的动词encouraged是主动语态；第二句中的动词was encouraged是被动语态。