You needn't copy so many words. Do you need to wear such old clothes? We need to study English harder. This machine needs repairing. This document(文件) needs to be printed at once.
1. You needn't finish this job now. 2. Need I finish this job now? (Yes, you should./NO, you needn't) 3. I need to buy a new copybook. 4. The clock needs repairing. 5. The clock needs to be repired.
楼主: 1、否定句 You don't need to ask others to make sentences for you. 2、疑问句 Do you really need help? 3、主语为人(行为+to do)You need to try this first. 4、主语为物(行为+doing)Your work needs reviewing...