Remember or notice: if it's a long adverb, an adverbial clause like " once in a blue moon" , it goes at the end, right?

记住，如果它是一个长副词，一个状语从，例如“once in a blue moon”，它要放在后面。

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

状语从是从，需要一个来构成完整的子。

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

于把状语从放在之还是之后呢？

So, I was saying that you can put a Time Clause in front of or behind a main clause and there would be no difference in the meaning.

所以我说的是把时间状语从放在还是后，对意没影响。

Baraka starts the line with adverbial information, and then uses the basic transitive verb pattern: I count the stars.

阿米利·巴拉卡以状语信息开头，然后使用了基本的及物动词型：我数星星。

These are like different kinds of modifiers — adjectives, adverbs, adverbial phrases, and so on.

这些就像不同种类的修饰语——形容词、副词、状语短语等等。

Words like before, after, when, because, since, if and even though can signal an adverb clause.

像 before，after，when，because，since，if 还有 even though这样的词是状语从的标志。

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后面，也可以放在它面。

First, remember that you cannot use will in a time clause.

首先，记住在时间状语从中不能使用“will”。

" There" (an expletive) is the grammatical subject, " mice" is the logical subject, and " in the house" is an adverbial.

There（虚词）是语法语，mice 是逻辑语，in the house 是状语。

They are also using adverb clauses.

她们还在使用状语从。

Adverb clauses tell us when, why, how, where and under what conditions.

状语从告诉我们在什么时候、为什么、如何、在哪里还有在什么条件下。

Does it have anything in there about Time Clauses?

里面有关于时间状语从的内容吗？

We have different kinds of sentences, structures, adjectives, and adverbial phrases.

我们有不同种类的子、结构、形容词和状语短语。

These examples show another common " be" structure: subject plus " be, " plus adverbial.

这些例子展示了另一个常见的“be”结构：语+“be”+状语。

A Time Clause introduces the clause with a word such as " before" or " after" .

时间状语从会带有 before 和 after 这样的单词。

Usually, the sentence has more information: an adverbial structure.

通常，子会包含更多信息，即状语结构。

The two most common adverbial structures you will find are adverbs and prepositional phrases.

最常见的两种状语结构是副词和介词短语。

In all these examples, you should use present simple in the time clause.

在所有这些例子中，时间状语从应使用一般现在时。

So, you cannot use the present perfect tense with any kind of finished time expression.

因此，不能将现在完成时与任何表示完成时间的时间状语连用。