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'tMy uncle is a writer怎么改I 'm going to play football.改否定句Is your uncle a writer?Yes, he isNo, he isn'tI am not going to play football