一、基本含义
seem = 似乎、好像、看起来(表示说话人认为某事可能是真的,但不完全确定)

二、五大常用句型(必须掌握✅)
1.seem + 形容词/名词
He seems happy.
他看起来很高兴。
She seems a nice girl.
她好像是个不错的女孩。
2.seem + to do(不定式)
They seem to know the answer.
他们好像知道答案。
否定:seem not to do
He seems not to like coffee.
他好像不喜欢咖啡。
注意:× He seems don't like… ❌(汉语思维错误)
3. It seems + (that) 从句(最高频考点)
It seems (that) he is late again.
看来他又迟到了。
It seemed that no one noticed me.
好像没人注意到我。
4.There seems to be …(看似有……)
There seems to be some mistake in the bill.
账单上好像有错误。
⚠️ 不能说 × There seems to have …
5.seem like + 名词/从句(口语常用)
It seems like a good idea.
这主意好像不错。
It seems like he's angry.(非正式)≈ It seems that…
三、否定与疑问
否定(两种都可):
He doesn't seem to be at home.
It doesn't seem that he is at home.
疑问:
Does she seem worried?
Do they seem to understand?
四、seem / look / appear 区别(常考)

He looks tired.(我看他脸色不好)
He seems tired.(我感觉/判断他累了)
He appears calm but is nervous inside.(表面镇定)
五、常见错误 ❌
❌ He seems is angry.
✅ He seems angry. / He seems to be angry.
❌ I seem he is right.
✅ It seems (that) he is right.
❌ There seems to have a problem.
✅ There seems to be a problem.
六、中考/高考常考句型速记
Sb / Sth seems + adj.
Sb / Sth seems to do
It seems that …
There seems to be …