1、This is my clock. 2、That is your ring. 3、There are her books. 4、Those are. hisoranges. 5、Those are my keys. 6、She is my sister. 7、She is his mother. 8、I am Jeff.
Is this my clock? Is that your ring? Are there her books? Are those his oranges? Are those my keys? Is she my sister? Is she his mother? Am I Jeff? 变一般疑问句时，主谓倒装即可，把谓语动词（诸如 is, are 等）提到主语前就可以了