the pen is blue怎样变成一般疑问句?

the pen is blue怎样变成一般疑问句? The pen is blue.成分分析 My pen is blue.怎样改成一般疑问句 把blue the is pen组成一句,再把is what in this English组成一句 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 把The pen is on the book变成同义句 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