SPEAK WHEN A PERSON IS ADDRESSING EXAMPLE JON WILL SPEAK AT THE CONFERENCE ON MONDAY. WHEN YOU HAVE EXPERTY IN A LANGUAGE EXAMPLE JACK SPEAKS ENGLISH. IN A FORMAL WAY MY BOSS SPOKE TO ME ABOUT MY PERFORMANCE. TALK WHEN TALKING ABOUT THE SUBJECT OF CONVERSATION. EXAMPLE WE TALKED ABOUT OUR CHILDHOOD DAYS. FOR FRIEND OR CHAT EXAMPLE HE TALKED TO JIM LAST NIGHT. EXAMPLE DO NOT TALK NONSENSE.