that is.

listen to the pronunciation of that is.
Englisch - Türkisch
yani
Englisch - Englisch
that's

That's the book I've been looking for.

That's my dictionary. - That is my dictionary.

That's too expensive. - That is too expensive.

That has.
that's

I've managed to find the solution to the problem that's been bugging me all day.

You're the best thing that's ever happened to me. - You are the best thing that has ever happened to me!

This is the best thing that's ever happened to me. - This is the best thing that has ever happened to me.

someone is.
someone's
that is
In other words; that is to say
that is
in other words, that is to say
that is
that is to say; in other words