.句型转换练习有am, is, are，can的句子，肯定句变否定句：在am, is, are,can后面加上not,其余按顺序照抄。肯定句变一般疑问句：把am, is, are,can提前放到句首并大写Am, Is, Are, Can,其余照抄。例1：1)I am a boy. 否定句：I am not a boy 一般疑问句： Are you a boy? Yes, I am/ No, I am not. 2)He is a student. 否定句：He is not a student. 一般疑问句：Is he a student? 3)There are many apples on the tree. 否定句：There are not many apples on the tree. 一般疑问句:Are there many apples on the tree? 4)They can swim. 否定句：They can not swim. 疑问句:Can they swim?
