1·He seems to have had some sort of religious experience.
他似乎有某种宗教体验。
—— 《牛津词典》
2·The spread of democracy in Eastern Europe appears to have had negative as well as positive consequences.
东欧民主政体的蔓延看来既有消极也有积极的影响。
—— 《柯林斯英汉双解大词典》
3·I have had many teachers.
我有很多老师。
4·Each mass extinction may have had a different cause.
每一次大灭绝可能都有不同的原因。
5·Many of us have had similar encounters with behaviors we perceive as different.
我们中的很多人都有类似的遭遇，我们认为我们的行为是与众不同的。