The pen you bought didn't work.是什么从句?

The pen you bought didn't work.是什么从句? didn't,the pen,bought,you,work.连词成句. 1.the pen you bought didn't work.(写出同义句） the pen i ｛bought here yesterday｝ didn't work 对括号中的内容进行提问 The computer you bought last week didn't work.改为同义句 He bought a pen , but it didn"t work(改为同义句） 你买的这个钢笔不好用了!The pen you bought didn't _.=There _ _ _ _ the p The new pen I bought last week doesn't work now,which ______ i am told that you didn't do the work the medicine you bought for me didn't {} 括号内填什么 改正下列各句从句部分的错误 1.May i use the pen you bought it yesterday?2. If you didn't help me,I couldn't finish the work in time.(改为