This is a ... That is a ...
These are ... Those are ...
th
this, that, those, these, then. weather, than, father, they, them.
th wh [w]
there where
then when
this which
those why
these what
These are my bikes.
Those are your roller-skates.
Where's my kite? - It's on that tree.
Where's your skate? - It's in my room.
What's your name? - My name's Kate.