Englishfor English speakers
that
Determiner
—
Used to show which thing we are talking about; used with things that are not close to the speaker.
Give me that book, not this one.
Give me that, not this.
That dog is hungry.
that
Subordinator
—
used to link a subordinate clause to a main one
You said that you liked me.
Give me the book that I dropped.
so
Adverb
—
How much; very much.
The box was so wide that the person was not able to take it through the door.
so
Preposition
—
With purpose. Saying the reason why someone does something.
The person locks the door so no one is able to come in and take things.
We help them so that they can get better.