The verb あります is used with the meaning to take place, to happen, to be held when Noun 2 is a noun indicating events, happenings, or incidents such as parties, concerts, festivals, cases, natural disasters, calamities.会社で 運動会 があります。
~けどN4
Expresses the opposition or contrast between two clauses (although... but...).疲れたけど、楽しかったです。
Verb stem (remove ます) + たいN5
Expresses the desire or wish of the speaker to do something.一番に なりたいです!