内容正文:
Unit 6 When was it invented? (Period 3)
Section A (Grammar Focus-4c)
Tell something about how tea was invented by accident according to the mind map.
fridge
low
somebody
translate
lock
ring
earthquake
n. 冰箱
adj. 低的;矮的
pron. 某人 n. 重要人物
v. 翻译
v. 锁上;锁住 n. 锁
v. (使)发出钟声或铃声;打电话
n. 地震
sudden
all of a sudden
bell
biscuit
cookie
musical
instrument
adj. 突然(的)
突然;猛地
n. 钟(声);铃(声)
n. 饼干
n. 曲奇饼
adj. 音乐的;有音乐天赋的
n. 器械;仪器;工具
Grammar Focus
When was the zipper invented? It was invented in 1893.
Who was it invented by? It was invented by Whitcomb Judson.
When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for? It’s used for serving really cold
ice-cream.
Active Voice: Alexander Graham Bell invented the telephone in 1876.
Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.
Observe and discuss
When was the zipper invented? It was invented in 1893.
Who was it invented by? It was invented by Whitcomb Judson.
When was tea brought to Korea? It was brought to Korea during the 6th and 7th centuries.
What is the hot ice-cream scoop used for? It’s used for serving really cold
ice-cream.
Active Voice: Alexander Graham Bell invented the telephone in 1876.
Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876.
一般过去时的被动语态
一般过去时的被动语态表示过去某一时间的被动动作或过去经常性、习惯性的被动动作。其基本结构是:was/were +及物动词的过去分词。
一般过去时的被动语态
1.句式结构
肯定句 主语 + was/were + 及物动词的过去分词(+ by ...).
否定句 主语 + was/were + not + 及物动词的过去分词(+ by ...).
疑问句 Was/Were + 主语 + 及物动词的过去分词(+ by ...)?
特殊疑问词 + was/were + 主语 + 及物动词的过去分词(+ by ...)?
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一般过去时的被动语态
2.基本用法
用法 示例
表示过去某一具体时间发生的动作,且句子的主语是谓语动词动作的承受者。 The trees were planted last year.
这些树是去年种的。
讲述发生在过去的动作,且不知道动作的执行者。 He was given a robot as a birthday gift last year. 去年他收到了一个机器人作为生日礼物。
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一般过去时的被动语态
3.含双宾语和复合宾语的主动句变为被动句的方法
(1)含有双宾语的主动句变为被动句时,通常把指 “人”的间
接宾语变为主语,而指“物”的直接宾语则不变。
e.g. He gave me some advice on learning English.
I was