专业四级考试中vocabulary & grammar 占比15%，30道题目的考察全面细致，其中语法题目会让N多裸考生连题目都看不懂，这个知识贴就是避免这个人伦悲剧的。
句子成分 sentence composition
主语 subject
谓语 predicate verb
表语 predicative
宾语 object
定语 attribute
补足语 complement
短语 phrase
不定式短语 infinitive phrase
动名词短语 gerundial phrase
分词短语 participial phrase
介词短语 prepositional phrase
从句 clause
主语从句 subject clause
表语从句 predicative clause
宾语从句 object clause
定语从句 attributive clause
非限定性定语从句 The non-finite attributive clauses
状语从句 adverbial clause
时间状语从句 adverbial clause of time
地点状语从句 adverbial clause of place
原因状语从句 adverbial clause of cause
条件状语从句 adverbial clause of condition
目的状语从句 adverbial clause of purpose
结果状语从句 adverbial clause of result
比较状语从句 adverbial clause of comparison
句子 sentence
简单句 simple sentence
并列句 compound sentence
复合句 complex sentence
陈述句 declarative sentence
疑问句 interrogative sentence
祈使句 imperative sentence
感叹句 exclamatory sentence
主谓一致 subject-predicate consistency
单复数一致 singular and plural is consistent
平行结构一致 parallel structure is consistent
并列结构 structure of coordination
强调句 emphatic sentence
语序 word order
倒装 inversion
省略 omit