She uses the continuous form, the present perfect, and many other types of grammar.

她使用了进行时、现在完成时和许多其他类型的语法。

In this way, the examiner knows that you can understand and use this type of grammar.

这样，考官就知道你能理解并使用这种类型的语法。

So, a lot of the times this is the type of grammar we're using here.

所以， 很多时候这就是我们在这里使用的语法类型。

But this is a type of grammar in English that's really, really useful and it's not as difficult as it sounds.

但这是一种非常非常有用的英语语法，而且并不像听起来那么难。

All of these things help to create the context and the context helps us to know what type of words and what type of grammar structures are relevant and appropriate for that situation.

这些都可以帮助创造语境，而语境能够帮助我们了解在当下的情境中，什么样的词汇和语法是相关的、合适的。

And so, knowing these types of grammar rules can help us use these words correctly in a sentence, and can really help our English become more understandable to other people.

因此， 了解这些类型的语法规则可以帮助我们在句子中正确使用这些单词，并真正帮助我们的英语变得更容易被其他人理解。