We've everything from collocations to prepositions, to pronunciation, there's loads in there.

我们涵盖了从词组到介词，到发音的所有内容，里面有很西。

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。

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。

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

确保你记住介词for，for male students。

Do we need a preposition before " all" ?

在" 所有的" 之前是否需要一个介词？

Prepositions like to, for, as, of or at have weak forms.

介词，如to、for、as、of或at有轻读音。

You make small mistakes on spelling or prepositions, things like that.

你会在拼写或介词等方面犯小错误。

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

同样，我们通常使用介词 out。

The choice of preposition depends on the context, so be careful!

介词根据语境来选择，所以要小心哦！

It's a preposition you've no doubt known for a long time.

这个介词你绝对很早就认识了。

No, nothing — " to be on call" .

不，什没有介词——“to be on call”。

Notice that the prepositions that often follow the verbs are different.

请注意，经常跟随这两个动词的介词是不同的。

They contain a verb, and adverb, and at times, a preposition.

它们包含一个动词和一个副词，有时还包含一个介词。

We use the preposition " in" when describing a person's physical state or health.

我们在描述一个人的身体状态或健康时需要加上介词" in" 。

The Cambridge Grammar of the English Language calls these " prepositional modifiers" .

剑桥英语语法称这些为" 介词修饰语" 。

And prepositions like in, on, or out can completely change the meaning of phrasal verbs...

还有介词 in，on 或者 out，可以完全改变动词短语的意思。

Daughter-in-law. This compound noun is made of a noun and a prepositional phrase.

Daughter-in-law。该复合名词由名词和介词短语组成。

In both examples, note that we use the preposition on before a noun.

在这两个例子中，注意我们在名词前使用介词on。

Other grammatical forms can be subjects too, like noun clauses and prepositional phrases.

其他语法形式也可以做主语，比如名词从句和介词短语。

It is made up of a verb as well as a preposition, adverb or both.

动词短语是由动词和介词，副词或者两者兼而有之的形式组成。