I use a computer...
happy / hear
I am happy to hear about your dog.
I am happy to hear that.
I have a lot of work...
I have a lot of work to do
It is difficult...
It is difficult to learn English.
I go to school...
I go to school to learn English.
happy / see
I am happy to see Nate.
You have many books...
You have many books to read.
It is fun...
It is fun to play volleyball.
We went to Beisia...
We went to Beisia to buy food.
surprised / hear
I am surprised to hear about their jobs.
There is so much food...
There is so much food to eat.
There is so much food to cook.
It is easy...
It is easy to speak Japanese.
I went to a bookstore...
I went to a bookstore to read books.
excited / go
I am excited to go to USJ.
This book taught me important things...
This book taught me important things to remember
It is important...
It is important to study hard.
...have a good time.
I play volleyball to have a good time.
Yesterday / sad / ...
Yesterday, I was sad to go to school.
Nara is the...
Nara is the (best) place to visit.
Nara is the place to go.
Nara is the place to see.
What is interesting to do?
It is interesting to talk with Nate.