I'm not feeling well.

                                         I have a backache.

 

                                            I have a cough.

                                          I have an earache.

 

                                                                      
                                          I have a fever.

                                           I have the flu.

                                       
                                      I  have a headache. 
 

                                     I have a sore throat.
 

                                      I have a stomachache.
 

                                       I have a toothache.