Words form phrases, which form clauses, which form sentences and so on.

词成语，语成子句，子句成句子，如此等等。

Now, you know how to build complex sentences using independent clauses.

，你知道如何使用独立子句建复杂的句子了。

Without the participle clause, the sentence is broken up into two independent sentences.

如果没有这个分词子句，那么这个句子会分成两个独立的句子。

The dependent clause, " Every Thursday, " is separated by a comma.

从属子句“每周四，”用逗号隔开。

Sonia, can you help us with other sentences like this?

Sarah 说，而且还必须准备接待明天要来访的朋友。 And I have to prepare for friends who are coming to visit tomorrow。本句关系代名词互所引导的子句，就是前面的名词 friends，来看句。 I have to cook some food for the people who are coming to dinner。

Up in space, you experience something called microgravity.

Hi， I'm Jack. Today's usage tip is to look at the sentence form of 主词加 suggest， ask， demand 加 that 动词 suggest， ask， demand 都含有建议、要求或是命令的意味 後面接 that 字句表示提议或要求的内容that 则可以省略喔另外，that 子句中的主词无论是单数或复数动词都一律使用圆形动词也可以加上助动词should来强化所建议或要求的事情的语气来看个句The museum asks every visitor be checked for prohibited items这间博物馆要求每位访客都要接受是否携带违禁品的检查。

We use the present simple verb in our 'if' clause and we use the future tense 'will' in our main clause so we use 'will' along with a bare infinitive verb.

我们“if”子句中使用简单的一时动词，主句中使用将来时“will”，所以就是“will”加一个不定式动词。

These are similar to the hypothetical situations that we spoke about just before, but with the second conditional, we use two clauses, the " If clause" and the " Would clause" .

这些类似于我们之前谈到过的假设情况，但是第二类条件中，我们有两个子句，if 子句和 would 子句。

Each conditional sentence has an if clause, and a main clause.

每个条件句都有一个 if 子句，和一个主句。

It has two parts: the condition (if clause) and the result (main clause) .

条件（if 子句）和结果（main 子句）。

When you step into your hotel room for the first time, what options do they give you?

请注意动名词的动作执行者必须为主要子句的主词 否则将会造成语意的错乱 来看句 Upon recovering from jet lag， she explored the city with excitement. 她一克服时差就兴奋的探索这座城市？

So is the world made for introverts or extroverts?

今天的 usage tip 是介绍 it 加 has been 加过去分词 加 that 的句型 它用於间接引述 以许主词 it 作为开头 搭配完成式的被动语态 表达一直以来都有 that 子句所述的主张 常用於本句型的动词 大多具有声称或是揭露的含义 除了 argue 以外呢 此句型也可以使用 claimreveal， report 等字词使用被动语态可淡化消息来源并将重点放所主张的内容上来看句It has been revealed that several celebrities were involved in the scandal据透露有多位名人卷入这起丑闻？

That little comma, just there, is only needed if the, " If clause" comes first, you can swap the clauses over, and in that case, the comma isn't needed.

那个小逗号，只有 if 子句前面时才需要加，你可以把两个子句调换顺序，这种情况下，不需要逗号。

Now I'm gonna prompt you with a present 'if' clause so that means that your main clause needs to be something different in the past.

，我将为大家提供一个的“if”子句，这意味着你的主句需要是过去的不同的情况。

We have an 'if' clause and a main clause.

有一个“if”子句和一个主句。

This short sentence has two clauses.

这个句有两个子句。

They allow us to join words, phrases or clauses of equal rank.

它们让我们将同等级别的单词、语或子句连接起来。

Friends, I'm excited to see how the last part of our lesson is going to end.

今天的 usage tip 要来看 it is 或 it was that 这种用法意思是 正是 怎麽样用来强调句子的特定资讯这些资讯通常会是名词接系词片语或是副词子句会放 be 动词和 that 之间 本句It's effort that leads to lasting success 这是表示靠着 effort 努力来达到持续的成功 相较於 effort leads to lasting success 这种句更具有强调的语气 来看个句 It was by reducing plastic use that the community created a cleaner environment 社区正是透过减少塑料的使用 才创造了更乾净的环境。

Sentences with too many clauses are difficult to follow, so it's generally better to limit your complex sentences to two or, maximum, three clauses.

子句太多的句子会很难理解，所以一最好把复杂句子限制两个或最多三个子句。

Can you see where the two clauses start and end, and which one is dependent?

你能看到这两个子句从哪里开始和结束的，哪一个是从属的吗？