First, to become a good language learner, we should should be very clear to the understanding of the phrasing.The next in order, the distich son should acquaint with.To the single phrase too is.
Similar in principle to the enclosing of parenthetic expressions between commas is the setting off by commas of phrases or dependent clauses preceding or following the main clause of a sentence.
We hadn't reached West Egg village before Gatsby began leaving his elegant sentences unfinished and slapping himself indecisively on the knee of his caramel-colored suit.
If I said, " I suggested they stop eating out so often if they want to save money, " you can't see that the verbs stop is in the subjunctive form but this is a subjunctive sentence.
But rereading or regressing unnecessarily is a common habit where we hop back to a sentence or a couple sentences before and cover the same information a second time.