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。

Either the main clause or the conditional clause can be at the beginning.

主句或条件句都可以位于句首。

The main Clause tells us the possible results of the situation.

主句告诉我们这种情景的可能的结果。

The main Clause is there would be a lot less waste in the world.

主句是世界上的废品就会少很多。

It's because she started the sentence with " because" and it lacks a main clause.

因为她的句子以“because”开头，缺乏主句。

Adverb clauses are dependent clauses and need an independent clause to make a complete sentence.

状语从句是从句，需要一个主句来构成完整的句子。

The main Clause contains would, could, might, followed by the verb.

主句里包含 would，could，might，后面跟动词。

One is in the if clause, and one is in the main clause.

一在 if 子句中，一个在主句中。

The main clause is " I read Tony's email" .

主句是" 我阅读了尼发来的电子邮件" 。

If the main verb phrase is affirmative, the question tag should be negative and vice versa!

如果主句谓语动词是肯定的，反义疑问句就是否定的，反之亦然！

Sorry to interrupt, but you didn't explain what a main clause is.

抱歉，打断一下，你还没解释什么是主句呢。

So, conditional sentences have two parts, the conditional clause and the main clause.

条件句有两个部分，条件从句和主句。

The conditional clause tells you the condition and the main clause tells you the result of that condition.

条件句告诉你条件，主句告诉你条件的结果。

A Time Clause can follow a main clause or be in front of a main clause.

时间状语从句可以跟在主句后面，也可以放在它前面。

Conditional sentences consist of two parts: the conditional clause and the main clause.

条件句由条件从句和主句两部分组成。

That means we use them to connect subordinating clauses to the main clause of a sentence.

那是指我们用它们将一个句子的从句和主句连起来。

It has 'will' and the base verb in the main clause but it doesn't have the word 'if'.

主句中有一个“will”和动词原形，但是没有“if”。

Commas are used after introductory words, clauses, or phrases to set them apart from the main sentence.

逗号也可以用在引导词、从句和短语之中，来把它们和主句区分。

It means we have the future simple for the main clause, if the present simple for the condition.

这表示主句用一般将来时，if 条件句用一般现在时。

We often use the zero conditional to give instructions, with the imperative in the main clause.

我们经常使用零条件句来给出指令，主句用祈使句。