主语(Subject),它是一句的主体,是主句所叙述的对象,由名词或相当于名词的词或词组担任,常置于句首。逻辑主语(Grammatical Subject),顾名思义,是某一结构在逻辑上的叙述对象。非谓语动词、介词短语、形容词短语等皆可有自己的逻辑主语。掌握这一特点,找出逻辑主语,对我们解题、正确理解和运用句子很有帮助,也非常重要。下面就几种情况具体说明。先看这组句子:Do you mind opening the door? ① Subject, which is the subject of a sentence, is the subject of the narration, served by a noun or equivalent noun or phrase, often placed at the beginning of the sentence. The Grammatical Subject, as the name suggests, is a logical narrative object of a structure. Non-predicate verbs, prepositional phrases, adjective phrases, etc. can all have their own logical subject. It is also very important to master this feature and find out the logical subject, which is helpful for us to solve problems, correctly understand and use sentences. Here are some specific instructions. Look at this group of sentences: Do you mind opening the door? 1