改一般疑问句和做否定回答和肯定回答 1. My sister is drawing picturies. 2.I 'm

1.Is your sister drawing pictures?Yes,she is .No,she isn't
2.Are you going to the cinema?Yes,I am No,I am not
3.Do you often go to school on foot?Yes,I do No,I don't
4.Are you from America?Yes,I am No,I am not
5.Does your mother work in a school?Yes,she is No.she isn't
6.Is your birthday in February?Yes,it is No,it isn't
再问： My uncle is a writer怎么改 I 'm going to play football.改否定句
再答： Is your uncle a writer? Yes, he is No, he isn't I am not going to play football