the leaves are fallen 怎么分析语法?“The leaves are fallen.” be done不是被动的意思嘛?照这样理解就是：树叶被掉落了,不通啊.能不能具体点丫，还是不理解，是非谓语嘛？

The leaves are colourful.意思 The leaves are colorful.（翻译） What colour are the leaves in spring? The leaves are out.啥意思? the leaves are slowly c____ color. the leaves are slowly c____ color. The leaves are y___ in Autumn.The leaves are y in Autumn.根据首字母写单词, The sun shines brightly ,and the leaves are s_____. These little thoughts are the rustle of leaves:the RT the leaves画线 on the trees are green There are many _______ the tree.A.leaves on B.leaves in The students are picking leaves.(对划线部分leaves进行提问)紧急紧急! What colour are the leaves in summer?翻译成中文 the tree leaves are_____in spring.they are yellow in ____. The leaves are green in spring变一般疑问句 The leaves are green in spring对green提问 tree,leaves,are,green,any,on,there,the? The leaves are colourful.(划线部分提问)(colourful划线)