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

每个条件有一个 if 子，和一个主。

Is it 'if' plus a present tense and 'will' plus an infinitive?

是不是 if 从用现在时，主用 will 加动词原形呢？

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

主是" 我阅读了托尼发来的电子邮件" 。

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

状语从是从，需要一个主来构完整的子。

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

如果主是肯定的话，反义疑问就是否定的。

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。

Do you tend to put adverbial clauses before or after the main clause?

你倾向于把状语从放在主之前还是之后呢？

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。

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

主里包含 would，could，might，后面跟动词。

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。

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。

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子的从和主连起来。

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、从和短语之中，来把它们和主区分。

Its formula is 'If' plus the past simple or continuous, and 'would' plus an infinitive verb!

它的规则是 if 从用一般过去时或过去进行时，主用 would 加动词原形！

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。

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呢。

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

主或条件可以位于首。

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

主是世界上的废品就会少很多。

We use if and past perfect, and then would have and past participle in the main clause.

我们使用 if 加过去完时， 然后主中是 would have 加上过去分词。

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。