have和has用法的区别：在肯定句中，I,you,we,they,或复数做主语时用have，he,she ,it或单数作主语时用has。在疑问句和否定句中无论什么人称作主语，都用have。例如(肯定句)：1. I have some paper. 2. You have some staples. 3. We have some stamps. 4. They have some sugar. 5. He has a ruler. 6. She has some balloons. 7. It has four legs. 8.Tony has some books.例如（一般疑问句）： 1. Do you have a bike ? 2. Do they have any salt ? 3. Does he have a bike ? 4. Does
