difficult

It’s dirricult for me to find which is a subject and verb.
Some long English sentences sometimes confused me.

Last week, I had little troubles between my coworkes.

Both of them was caused from my attitude.

But,I guess many peaple think same.

Not good reration makes us unhappy.

I can talk two persons who I get to up set.

umm... I think it’s not correct sentence.

But I’m tired.