Updated: Aug 16, 2020
I wonder (if)
I wonder when this building will be finished.
I wonder what will happen to our company from now on. (I'm quite worried)
I just don't understand what is good about this movie.
I put all the examples along with the meaning into flashcards to study just in case you forget. (I suggest downloading the app version for brainscape) With this you can even study on your phone!
Feel free to use this flash card deck I update regularly.
This grammar is really for intermediate-advanced learners. If you are looking to know where to start in Japanese and building a good foundation check out this blog post it.
If you are a person that is looking to have more useful information learning Japanese consider subscribing to this sites mailing list. I make posts about Japanese content frequently.