As we’ve stated before, subordinate conjunctions connect two clauses, one of which is syntactically subordinate to the other, and shed light on the logical relationship existing between the main clause and the subordinate clause. In other words, subordinate conjunctions conjoin clauses of unequal rank. Our declarative subordinate conjunctions below do just that, while shedding light on a statement made by either the speaker or someone else:
che = that come = how (triggers the subjunctive)
The 2 clause-connecting conjunctions above are extremely common in Italian and can be used in ample ways. They usually connect the independent clause to the subordinate clause without any type of punctuation: