Expresses the meaning of if..., then.... Used to indicate a natural result that occurs when an action is performed or when a certain condition happens.ダウンジャケットの 下に 服を たくさん 着ると、あまり 暖かく ないです。
動詞て形 + くださいN5
Express advice or request for someone to do something. (In this section, the short form is used: Verb dictionary form + と いいです, meaning it is good to do something or should do something.)ダウンは 体に 近く 着ると いいです。
Therefore, ~N4
だから is used to state the reason or cause for the following sentence, meaning therefore, so.だから、寒く 感じます。