Now, we add a preposition after this.

我们在它后面加个介词。

A particle is either a preposition or an adverb right?

小品词是介词词对吗？

And your teacher gave some helpful guidance on using these two important prepositions.

你的老师对如何使用这两个重要的介词给出了些有用的指导。

In addition to because of, there are other prepositions that can introduce the cause.

除了 because of 外，还有其他介词可引入原因。

We can use both these prepositions to talk about time, so what's the difference?

我们可用这两个介词来谈论时间，那么它们有什么区别呢？

Did you hear any more prepositions of place?

你们听到了更多表示地点的介词吗？

" Through" and " along" are both prepositions.

“穿过”和“沿着”都是介词。

Next to is a preposition of place.

“旁边”是个地点介词。

We also often see write with prepositions.

我们也经常看到写搭配介词。

But often only one preposition is possible.

但通常只有个介词是正确搭配。

The other part of the question was about two more prepositions: in and into.

问题的另部分是关于另外两个介词in和into。

But look here, we've got the preposition to coming before lead or lead in both examples.

但是，看这里，在两个示例中，我们有介词 to 在两个 lead 之前出现。

A clue is often in the prepositions.

介词通常会暗示这点。

Again, do not use " if" after a preposition.

这里要再次强调下，请不要在介词后使用" if" 。

Notice that the preposition changed there too.

请注意，这里的介词改变了。

“on” and “of” are prepositions in this sentence.

这个句子中的介词有“on”和“of”。

" in" and " past" are prepositions in this sentence.

这个句子中的介词有“in”和“past”。

So, notice the preposition is different with them.

注意，它们的介词是不样的。

Is it because it comes after a preposition?

是因为它跟在介词后面吗？

They can be used as prepositions to describe time.

它们可被用作描述时间的介词。