否定:His volleyball isn't under the chair.
一般疑问句:Is his volleyball under the chair?
特殊疑问句:What is under the chair?
(这一句应该就是肯定句了吧)
否定:His volleyball isn't under the chair.
一般疑问句:Is his volleyball under the chair?
特殊疑问句:What is under the chair?
(这一句应该就是肯定句了吧)