“早上我和朋友们去爬山，非常好玩”用英语过去式怎么说？

如果你要把整句话连起来，可以说 I went mountain climbing with my friends in the morning and it was great fun. 这句话完整地使用了 went 和 was 两个过去式动词，准确对应了中文里的过去时间背景。