已经 + Verb + 了: indicates that an action has already been completed (e.g., 我已经吃了).

准备 + Noun/Verb: used to express preparing for something (e.g., 准备考试).

都 + Verb: emphasizes that the action applies to all items mentioned (e.g., 我都复习了).

💡 In review lessons, try to recall vocabulary without looking at pinyin first.

💡 Practice making sentences with 已经 and 了 to talk about completed actions.

💡 Use 都 to emphasize that you did everything, e.g., 我都做完了 (I finished everything).