                                       
a) Fred reads books every day. He is   
fond of reading. He is not reading now.
Last week he read much too. Fredy      
will read this book soon.              
                                       
Help:                                  
read  reads  is  reading               
                                       
b) Yesterday I wrote letters to my     
friends. But I didn't write any letter 
to my aunt. I am going to write about  
our new flat. I am writing an exercise 
now. I am not good at writing.         
                                       
Help:                                  
wrote am writing write                 
