Compare as in the model.   MODEL:a long pencil--a longer pencil--the longest pencil.          A short ruler, a funny monkey, long hair, big houses, a clever dog, an old car, a long street, new books, a nice puppy, a funny story...

A short ruler-A shorter ruler- The shortest ruler a funny monkey -a funnier  monkey- the funnist monkey  long hair- longer hair- the longest hair  big houses-bigger houses- biggest houses  a clever dog- a cleverer dog- the  cleverest  dog  an old car -an older car-the oldest car, a long street-a longer street- the longest street , new books-newer books- the newest books, a nice puppy- a nicer puppy- the nicest  puppy  a funny story- a funnier story- the funniest story, a happy child- a happier child- the  happiest child an easy task-an easier task- the eaiest task