It's exactly what I need.它的主谓宾分别是什么?它是什么结构?
- it was exactly what i needed是什么从句
- "It was exactly what I needed,"he said.说明这个句子的主谓表
- It keeps rainning.是主谓宾还是主系表
- This is exactly what I need.
it was exactly what i needed是什么从句
It was exactly what i needed是什么从句?
Answer: 是"主句+表语从句"构成的主从复合句,其中表语是由"what"引导的是表语从句来充当.这里"it" 作代词,当然"it"也可替代后面的名词从句放在句首作形式主语,但这里却不成.因为"exactly"是副词.如果"it"替代后面的从句做了形式主语,那主句就缺表语成分.
全句译:它正是我所需要的.
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"It was exactly what I needed,"he said.说明这个句子的主谓表
主语是he,谓语是said,表语是引号里的那句话
It keeps rainning.是主谓宾还是主系表
主系表
所谓主系表结构就是英语句子中的主要成分是主语、系动词和表语。
1. 主语( Subject ):主语是一句话的中心,表示所说的是谁或是什么,其位置一般放在句首。英语中主语一般不省略。主语主要由名词、动名词、代词或起名词作用的短语或从句来充当。例如:
Li Lei is a Chinese boy. ( Li Lei 是名词,作主语。)
He is from England. ( He 是代词,作主语。)
Feeding the birds is my hobby. (“ Feeding the birds ”是动名词短语,作主语。)
What she said is right. (“ What she said ”是从句,作主语。)
2. 系动词( Link verb ):系动词本身有一定的词义,但不能独立作谓语,必须和句子中的表语一起构成谓语。简单地说,将主语和表语联系在一起,并构成一个完整句子的动词就叫做系动词。目前学到的系动词有 be , feel , look , sound , taste , smell 等。例如:
This flower is beautiful.
I felt very tired.
You look worried.
It tastes delicious.
3. 表语( Predicative ):表语是用来说明主语的身份、特征或状态的。它又叫作主语补足语。表语位于系动词之后,主要由名词、代词、形容词、数词、副词、介词短语、分词(短语)或动名词(短语)等来充当。例如:
I am fine . ( fine 是形容词,作表语)
He is a boy . ( boy 是名词,作表语)
Five plus two is seven . ( seven 是数词,作表语)
We are here . ( here 是副词,作表语)
He is not at home . (“ at home ”是介词短语,作表语)
My hobby is reading . ( reading 是动名词,作表语)
This is exactly what I need.
定语从句,what代替了先行词和关系词,也就是This is the thing that I need
what=the thing that
其实that可以省略,它在从句中作宾语,也可以用which