句子分析Sitting on a invisible bench,are you?前面的句子谓动呢这是什么句型

分析这两个英语句子分别是什么句型 有哪些句子成分You are Someone's Reason to Smile 和 一句英语句子的分析,Some students are sitting by the window talking ab you are a lovely daffodil sitting temptingly on a 句子前面带are you的怎么作肯定回答 Each morning a rich man found a poor man sitting on a bench( 英语语法问题sitting in wet clothes brought on a cold.书上这个句子的翻译是穿湿衣 An old man is sitting on the park bench,A young woman is run 英语翻译there was a blind man called john sitting on the bench w many people were sitting on the bench __ __ the doctor A see 英语语法问题You are sitting in a chair.Is it comfortable?请将两个句子结合形 "you can sit on the bench and take a photo"的中文 You are so good a boy.的句子结构怎么分析?