part of speech
form class
word class

And now we have reached the most important part of my today's speech.

These parts of speech are not very different from English.

I would now like to focus, in the last part of my speech, on the Union' s general budget.

After all, it isn't even a whole part of speech.

I still have a tough time with the parts of speech too.

It has long been known that there are different parts of speech.

That is why I unfortunately only heard part of your speech.

Other parts of speech would be very unusual in this position.

I am still confused as to what part of speech it is.

Many English words belong to more than one part of speech.