I've read that potential form of the ru-verb is formed by replacing る with られる, which is exactly the same for the passive form of ru-verbs. How can we tell the passive form and potential apart in this ...
Japanese language has a lot of patterns for "if" clauses. What are the differences among the following patterns and how do we choose to use one over the others?: 行ったら 行くなら 行けば 行くんだったら 行くのなら 行くとしたら ...