老师：Hello everyone, how is everything going? I'm Rebecca. Welcome to my class. Today we'll go on exploring Unit 2 bridging cultures and we will focus on grammar in this period. In this class you will review the functions of non classes, understand the meaning of non clauses in different contexts and use non clauses properly in writing. Let's get started. Actually we Learned non clauses before. Now please recall your memory and have a look at a group of sentences. You are expected to Mark the non clauses and think about the function of each non class.
学生：Are you ready? Let's go. Have you finished?
老师：Let's share the answer together. Number one, what seemed strange before now appears quite normal to Clay.
学生：以前看似奇怪的事情，现在对谢雷来说很正常。 What seemed.
老师：Strange before is a non clause, and it serves as the subject in the whole sentence. Number two, what surprised Clay was that she found herself speaking up in class after just a few weeks.
学生：令谢雷惊喜的是，仅仅几周的时间，他就能在课堂上大胆发言了。
老师：What surprised the CLA is the non class and it serves as the subject in the holes engines that she found herself speaking up in class, after just a few weeks is also a non class, but it serves as the predictive in the whole sentence.
学生：所以我们可以看出，在这个句子当中有两个名词性从句，前一个在句中作主语，第二个在句中作表语。
老师：okay now lets move to the third one， its important that xie lei keeps a balance between her studies and her social life。
学生：谢雷在学习和社会生活之间保持平衡是很重要的。在 xi lei。
老师：keeps a balance between her studies and her social life is a non class。
学生：在这个句子当中，真正的主语是 that 引导的从句，而 it 仅作形式主语。我们之所以把真正的主语后置，是因为这个主语过长，放在前面，如果显得句子头重脚轻。 Okay.
老师：Based on your prime knowledge and analysis of the three sentences, can you try to define.
学生：Now classes? 我们可以这样定义名词性从句。名词性从句是在句子中起名词作用的句子，它们在句子中的功能相当于名词或名词词组。
老师：And what is the clause functioning as the subject in a sentence called? That's right, the subject clause.
学生：Hongju.
老师：And what is the clause functioning as? The predictive code. Great, the predictive class.
学生：Besides the.
老师：Subject clause and predictive clause, do non clauses include other types? Yes, the object clause and a positive clause.
学生：Okay.
老师：Now, can you try to summarize the types of noun clauses according to the different grammatical functions in a sentence? Non clauses can be divided into the subject clause, the object clause, the predictive clause, and.
学生：The a positive clause.
学生：名词性从句可以分为主语从句、宾语从句、表语从句和同谓语从句。而引导词在名词性从句中扮演着非常重要的角色。你知道名词性从句中的引导词都有哪些吗？首先，引导词中包含一类连接代词，它们是， what whatever？ who whoever？whom， which whichever。这些连接代词在从句中作主语或宾语。我们来看几个例句， who will go to the。
老师：party is still unknown。
学生：谁会去参加聚会还不知道这是一个主语从句。 who 在从句中作主语？ The question.
老师：Is what we can do to protect the environment.
学生：问题是，我们能做什么去保护环境？这是一个表语从句。 what 在从句中作宾语。
学生：you can ask，whoever， you t
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