The pen is blue.成分分析

The pen is blue.成分分析 why the sky is blue 的成分分析 the pen is blue怎样变成一般疑问句? 如何提问The blue pen is my favourite one The pen is blue对划线部分提问（划线部分为is blue） 修改病句 This is a pen.The pen is a blue. _____ pen is blue.It's _________ blue pen. The blue pen is the longest 对划线部分提问（The blue pen） is the longest 对划线部分提问 Is the pen yours 这里的yours是什么成分啊、? my pen is blue ; my friends is that is n___ alan's pen.his pen is blue. The pen and the ruler is blue.这句话错在哪里? （ ）pen is yours,the red one or the blue one?括号里应该填什么? a,there,is,blue,the,box,pen,in(.)连词成句 I like the pen( ) is blue!定语从句填that还是which 对划线部分提问The blue pen is Toms.（Toms为划线部分） I like blue pen on the table.It is very nice 这句话改错 The blue pen is Kate's.Please give it to_____(she)