l am a teacher怎么变为复数形式

l am a teacher怎么变为复数形式 I am a teacher 变为一般疑问句 I am a teacher 变为否定句 I am a teacher.(改为复数) He is a new teacher.(变为复数形式) He ie a new teacher.(变为复数形式） I am a teacher 如何变为否定句 l am english teacher that is a cup i am a teacher she is my friend 都改复数怎么改啊 a set of keys ,a set of ...意为“一串···”,那么两串钥匙怎么表示______________________.Is this his brother 变为复数形式 _____________________________I am a boy 变为复数形式 ________________________________That is an oran Are your a teacher?Yes,l am.谁会修改? This is my teacher变成一般疑问句.He is from the U.S.A.变为复数 Our teacher often tells us a story.改为复数形式tells变为tell 为什么呢? she says,I am a teacher.变为间接引语she says This is a pen变为复数句,怎么变 I am an English teacher.变复数怎么变啊!急啊! She is a teacher 这个句子怎么改为复数形式 l have a new teacher.l like____.怎么填