改正句子中错误的地方.1.The mother is teaching her 改正句子中错误的地方. 1.The mother is teaching her baby of shapes ( ) 2.They Know how play the Piano.( ) 3.Show us how to drawing a rectangle.( ) 4.Don't forget copy the words on the Paper.( ) 5.Let's buy some gifts for we grandparents.( ) 6.Why don't we playing basketball now?( )