Составить 4 предложения по инглишу с there is there are. Типа there is a book in the computer

1)My frinds there is are
2)Tusdey lunsh there is are
3)I am holiday there is are
4)I love look there is are

There is a pencil in my pencil case. 
There are apples on a tree. 
There is a Tom behind the door. 
There are my best friends!