Matching Pairs Grammar gameOnline version Test your knowledge of language rules with this engaging puzzle focused on syntax and structure. by mateo lopez rojas 1 had traveled 2 was found 3 was made 4 was seen 5 had begun 6 is created 7 have told 8 have done 9 had eaten 10 have written passive voice present perfect passive voice past perfect passive voice past perfect present perfect past perfect present perfect passive voice