what are on the table 有这个句子吗?

are there two books on the table?这个句子写法可以吗 on the table 和are on the table.为什么有的是the ones on the table 有 Some watches are on the table.对Some watches提问,有说what is on t what are on the table?There are three pens on the table 这句话对 There are Some apples on the table (改为单数句子) There is a lot of paper on the table.（桌面上有许多纸.）这个句子不是复数吗?为什么 What's on the table? what this on the table what is on the table "What can you see on the table?"是一句正确的句子吗? there are on the table -------bananas are on the table