Matching Pairs Formal vs InformalOnline version In this activity we will relate informal and formal synonyms by Oscar Cervantes Ramírez 1 set up 2 wrong 3 get 4 buy 5 make up 6 Use 7 start 8 free 9 dare 10 job 11 think about 12 mad 13 say sorry 14 show 15 let 16 lucky 17 see 18 give up 19 sickness 20 ain't is not/ am not/ are not apologize obtain consider fabricate occupation challenge consume demonstrate quit permit purchase observe incorrect release commence fortunate illness insane establish