I am tall.改为否定句

I am tall.改为否定句 I am from China 改为否定句 i am your teacher 改为否定句 I am dancing.改为否定句 I am ok 改为否定句 I am Danny.改为否定句急 I am from Canada 改为否定句 i am tired ,too(改为否定句) I am tall 改为疑问句 Im a doctor,I am tall变为否定句那个Im是I am的缩写 I am tall怎么改为一般疑问句,并作肯定和否定回答 I am tall怎么改为一般疑问句,并作肯定和否定回答 She is tall.改为否定句 i am watching tv now改为否定句一般疑问句 I am in Class Two改为否定句 I am Li Ming改为一般否定句 I am a student 改为一般疑问句和否定句 I am an English teacher改为否定句