一般疑问句Is this Lingling?肯定回答Yes, this is. 否定回答No, this isn't. 否定句This isn't Lingling.
一般疑问句:Is this Lingling? 肯定回答:Yes,she is. 否定回答:No,she is not. 否定句:This is not Lingling.
Is this Lingling?It isn't Lingling.Yes,it is.No,it isn't.