happen的过去式(appear和happen有什么区别)
appear和happen的区别是appear指从感观印象看似乎是如此,但有时着重指因视野、观点限制而产生的歪曲印象。而happen指从某个掩蔽处出现或摆脱遮挡物而被看见,强调“缓缓出现”。

常见句型
It appears that you're right.
看来你是对的。
It appeared that he had a taste for music.
看来他对音乐还有一定的鉴赏力。
It appears everybody is well prepared.
看来人人都准备好了。
He was taking them to the exhibition, it appeared.
他看来是准备带他们去看展览会。
We expected him, but he never appeared.
我们等他,他却一直没来。
词汇搭配
appear for 为…出庭 appear in print 印刷出版
appear in the list 登在名单上 appear on 在…出现
appear in court 出庭 appear on the stage 登台演出
happen in with 偶然和…碰见 happen lately 最近发生

词形变化
happen
第三人称单数:happens 现在分词:happening 过去式:happened 过去分词:happened
appear
第三人称单数:appears 现在分词:appearing 过去式:appeared 过去分词:appeared