" Through" and " along" are both prepositions.

“”和“沿着”都是介词。

Again, quite commonly we use the preposition 'out'.

同样，我们通常使用介词 out。

Did you hear any more prepositions of place?

你们听到了更多表示地点的介词吗？

Well, now we can use that preposition " off" .

现我们可以使用介词“off”。

We often use the preposition " to" with it.

经常要与介词to连用。

We usually use the preposition " about" with the word.

通常与介词about连用。

But the difference is the preposition to start with.

区别就于介词的开头。

Why is there a preposition in front of it?

为什么前面有个介词？

Here, again, we are using wonderful prepositions in context.

这里，我们上下文中使用了精彩的介词。

You can also remove the preposition.

你可以去掉介词。

There is no preposition with 'reach'.

不会把“reach”和介词连用。

Make sure you remember that preposition for the figure, for male students.

确保你记住介词for，for male students。

Both include the preposition " of" , and we use them as quantifiers.

两者都包括介词of，我们把它们用作量词。

Now, we add a preposition after this.

我们它后面加一个介词。

What I'm talking about more specifically is how to pronounce the preposition " of" .

我要讲的更具体的是，如何发介词" of" 的音。

It's really important that you, that you use the correct preposition.

使用正确的介词非常重要。

Because and since are subordinating conjunctions, whereas because of is a preposition.

Because 和 since 是从属连词，而 because of 是介词。

In the phrase in the morning the word in is a preposition.

短语in the morning中，in这个字是介词。

We often use the preposition " of" after the word, followed by what happened.

我们经常这个词后面加上介词of，后面跟着发生的事件。

It's not a preposition; it's an adverb.

它不是一个介词；它是一个副词。