Open the brackets and say the verbs in the right tense form. First, I vant to thank you for (to try) to take care of

First, I want to thank you for trying to take care of my health. But I must say that I\'m still very angry. Many of you don\'t respect me and throw litter on streets and in parks in different ways. They kill so many animals and cut down so many trees. Wild life is now in danger. If you don\'t stop all this, life will be in danger.