把下来句子变成否定句和一般疑问句,再回答（肯定回答和否定回答）.变否定句和一般疑问句时应注意哪些语法

题目

把下来句子变成否定句和一般疑问句,再回答（肯定回答和否定回答）.变否定句和一般疑问句时应注意哪些语法
1.He has four pencils.2.Tom and I fly a kite every day.(这里的第一人称“I”用不用变成第二人称?） 3.Tom plays computer games.(这句中地plays变成否定句和一般疑问句时用不用去掉后面的s?).4.We can swim in the swimming pool.5.My mother is reading books.
最好能把语法说的详细一些,

答案

1.否定句:he doesn't have four pens 疑问句：does he have four pens肯定回答：yes,he does否定回答：no,he doesn't2.Tom and I don't fly a kite every dayDO you fly a kite every dayyes,we dono,we don't3.Tom ...