2019届译林版高考英语必修四课堂讲义:Unit 3 Section Ⅳ Grammar & Writing Word版含答案
2019届译林版高考英语必修四课堂讲义:Unit 3 Section Ⅳ Grammar & Writing Word版含答案第1页

  Section_ⅣGrammar_&_Writing

  

0语法图解

  

  探究发现

  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.

  [我的发现]

  (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:助动词 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、语态的概念

 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。