Ann is the best pupil in the class. Ann isn`t the best pupil in the class. Is Ann the best pupil in the class? I have done my homework. I haven`t done my homework. Have I done my homework? You called me yesterday. You didn`t call me yesterday. Did you call me yesterday? I think I will buy that dress. I don`t think I will buy that dress. Do I think I will buy that dress? I am walking with my friends now. I am not walking with my friends now. Am I walking with my friend now?
Ann isn`t the best pupil in the class.
Is Ann the best pupil in the class?
I have done my homework.
I haven`t done my homework.
Have I done my homework?
You called me yesterday.
You didn`t call me yesterday.
Did you call me yesterday?
I think I will buy that dress.
I don`t think I will buy that dress.
Do I think I will buy that dress?
I am walking with my friends now.
I am not walking with my friends now.
Am I walking with my friend now?