And for native speakers, these changes happen automatically.

对于母语者来说，这些变化都是自动发生的。

Is he a native speaker or English?

他是英语母语人士吗？

As native speakers, that's how we talk.

作为母语人士，我们就是这样说话的。

You should be shadowing a native speaker.

你应该要向母语人士做跟读法。

Now, this is when native speakers are talking fast.

母语者语速很快的时候就会变成这样。

And native speakers, we don't say business suit.

母语人士，我们不说商务西装。

And they're normally mistakes made by native speakers.

这些错误通常是母语使用者常常犯的。

Well, these phrases have another use for native speakers.

这些短语对于母语人士还有另一种用法。

So choose a phrase that native speakers often say.

所以选择一个母语人士经常说的短语。

A lot of native speakers make mistakes with its.

很多以英语为母语的人都会在 its 的使用上出错。