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

每个条件都有一个 if 子，和一个主。

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

有一个“if”子和一个主。

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

主告诉我们这种情景的可能的结果。

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

条件有两个部分，条件从和主。

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

主或条件都可以位于首。

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

主世界上的废品就会少很多。

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

一在 if 子中，一个在主中。

If the statement is positive then the question tag is negative.

如果主定的话，反义疑问就否定的。

If the statement's negative then the question tag is positive!

如果主否定的话，反义疑问就定的。

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

因为她的子以“because”开头，缺乏主。

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

状语从从，需要一个主来构成完整的子。

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

抱歉，打断一下，你还没解释什么主呢。

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

主里包含 would，could，might，后面跟动词。

You'll see patterns between the main statement and the question tag.

你可以看到主和尾疑问之间的结构。

The 'if' clause and the main clause.

“if”子和主。

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

条件由条件从和主两部分组成。

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

主" 我阅读了托尼发来的电子邮件" 。

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

条件告诉你条件，主告诉你条件的结果。

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

时间状语从可以跟在主后面，也可以放在它前面。

A main clause is a complete sentence, like, " I ate breakfast."

主一个完整的子，比如“我吃早餐了。”