Updated: Aug 16, 2020
come to think of it; when I think back; on reflection
When I come to think of it, I had a great time when I was in college.
When I think back, I discussed political issues with him almost everyday.
Now that I think about it, why did I buy such a (terrible) CD?
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.