What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
1,what 引导的是主语从句,做become的宾语对吗?
2. when引导定从 修饰between 4.5 and 3.8 billion years ago对吗?
谢谢
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
1,what 引导的是主语从句,做become的宾语对吗?
2. when引导定从 修饰between 4.5 and 3.8 billion years ago对吗?
这是新课标人教版英语课本必修三 Unit 4 上面的一个句子。各位老师从不同角度分析了有关问题。
我根据网友的两个问题解答如下。
第一个问题:
what 引导的是主语从句,what 做become 的表语(become 是系动词)。
was to become 是将来时的一种(be to do)。表示“将来注定怎样”。it 是人称代词,指代前文的a clkoud of dust(一团尘埃)。
第二个问题:
是的。when 引导定语从句,修饰between 4.5 and 3.8 billion years ago。
【翻译】之后它会变成什么没人知道,直到38-45亿年前,(此时)这团尘埃才慢慢地形成一个固体的球状物。
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between 4.5 and 3.8 billion years ago 并不是介词短语,而是一个副词短语。类似于300 years ago, 300 years修饰ago,表示一个点时间概念。当年数不确定时,可以用between...and...表示约数,例如between 200 and 400 years ago, 同样是between 200 and 400 years 修饰ago, ago是中心词。
介词until可以后接副词(短语)作介宾,例如,until then, until now, until 2 years ago.
when引导的关系分句可以修饰副词,在本句when为关系分句,修饰副词短语between 4.5 and 3.8 billion years ago。
陈老师对句子的翻译是错误的。句中的it显然指的是dust. until表示主句的状态或动作持续的结束时间点,不确定的状态持续到untill表示的时间结束,即到了until表示的时间就确定了、明确了。
参考译文:
这些灰尘的结局直到其在380-450亿年前形成一个星球后才确定下来。
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What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
参考译文:直到45亿到38亿年前,当尘埃落进一个坚固的球体时,它将会变成什么样子还是未知/不确定。
A:主句内容:What it was to become was uncertain
B:时间状语从句:until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.
备注:what在主语从句作变化系动词to become表语成分。
主句内容语法结构解析如下
(1)what it was become为主句的主语 意思为“它将会变成什么”
(2)was为主句的系动词 意思为“是”
(3)uncertain为主句的表语 意思为“不确定的;不肯定的;不明确的,未知的”
备注:what it was become为连词what引导主语从句,作主句的主语成分。
时间状语从句内容语法结构解析如下
until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.为主句的时间状语
(1)until between 4.5 and 3.8 billion years ago为主语的时间状语。(介词短语充当)
(2)when the dust settled into a solid globe为定语从句修饰前面的时间名词4.5 and 3.8 billion years ago(定语从句充当)
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