Read the explanations and do the worksheets Bekah will have for everyone- pages 25-34.
This is all practice in the Present Perfect tense. Which is the form of past tense most commonly used in German.
Look up the words you don't know- this will be hard but you can do it.
Make a list of all the verbs- their meanings and their past participle. -The sheets will explain what past participles are. Start memorizing them.