am 陈述句 I am a boy 否定句 I am not a boy 一般疑问句 am I right?回答 yes ,you are right is 陈述句 the color of the car is red 否定句 she is not mysister 一般疑问 is she the one who catch the bird? yes ,she is are 陈述 we are brothers 否定 these books are not mine 一般疑问 are you OK? yes ,thank you for you care
