-ing or -ed? Tired boring interested etc.

Is he

Glittery texts by bigoo.ws

or 






?
Glittery texts by bigoo.ws

 Well, here's the answer.
He's 

because

So I hope I'm not the world's most boring teacher inflicting you with the most boring classes in the world ! (comment box below)

Remember:

( it would go with "SER" in Spanish) -ing is for  what( or who!) produces  

boredom

tiredness

interest 

fascination

exitement 

(etc)

And 
( it would go with "estar" in Spanish)  -ed is for the person acted on, affected this way!

for more pactice, click these LINKS

quiz exercise:

http://www.manythings.org/fq/

nice gifs:

http://englishaseasyaspie.blogspot.com/

which came from:
http://www.grammar-quizzes.com/passive3a.html