Jawaban:

1. Two expressions of introducing myself and the other person could be "Hi, my name is (Name) and this is (Name)" or "Nice to meet you, I'm (Name) and this is (Name)."

2. Some moments when you would say congratulations to someone could be when they graduate, get married, have a baby, or get a promotion.

3. An example sentence using an adjective and adverbial could be "She sang beautifully in the talent show." An example sentence expressing a plan could be "I plan to visit my grandparents next weekend." An example sentence expressing a prediction could be "I predict that the weather will be sunny tomorrow." An example sentence expressing a voluntary action could be "I volunteer to help out at the local soup kitchen." An example sentence expressing a promise could be "I promise to be home by 10 PM."

4. One thing I could describe is my parents. My parents are loving and supportive. They have always been there for me, encouraging me to pursue my dreams and providing me with everything I need to succeed. They have taught me the value of hard work, kindness, and responsibility. I am grateful for everything they have done for me, and I strive to make them proud every day.