"Seem to do" 表示某事物似乎会发生或某人似乎会做某事，使用不定式的结构，用于主观推测和可能性；而 "Seem doing" 表示某事物似乎正在进行或某人似乎正在做某事，使用现在分词的结构，用于描述当前的行为或状态。
大家可以先看下面的表格了解一下 seem to do和seem doing 吧：
例子1：He seems to know the answer to the question.
翻译：他似乎知道这个问题的答案。
例子2：She seems to have lost her keys.
翻译：她似乎丢了她的钥匙。
例子1：They seem to be enjoying their vacation in Hawaii.
翻译：他们似乎正在夏威夷度假，很享受。
例子2：The kids seem to be playing happily in the garden.
翻译：孩子们似乎正在花园里快乐地玩耍。
例子1：The movie seems to be interesting.
翻译：这部电影似乎很有趣。
例子2：The task seems to require more time than we thought.
翻译：这项任务似乎需要比我们想象的更多的时间。
例子1：The baby seems sleeping peacefully.
翻译：这个宝宝似乎正在平静地睡觉。
例子2：The team seems working hard to meet the deadline.
翻译：这个团队似乎正在努力工作以满足截止日期。
例子1：It seems to rain later in the evening.
翻译：今晚似乎会下雨。
例子2：He seems to have changed his mind about the project.
翻译：他似乎对这个项目改变了主意。
例子1：The car seems running smoothly now.
翻译：这辆车现在似乎在平稳地行驶。
例子2：The building seems undergoing renovations.
翻译：这栋建筑似乎正在进行翻新。
例子1：They seem to start a new business together.
翻译：他们似乎打算一起创业。
例子2：She seems to want to learn how to play the guitar.
翻译：她似乎想学弹吉他。
例子1：The company seems expanding its operations in the foreign market.
翻译：这家公司似乎在扩大在外国市场的业务。
例子2：He seems struggling with his new responsibilities.
翻译：他似乎在为他的新职责苦苦挣扎。
