1. cocktail party: This kind of party is usually held from 3 to 4 pm or from 5 to 7 pm. Guests can come late or early, which is more convenient. People often drink several kinds of wine together, just like the beautiful tail of a rooster, hence the name.

2. autumn foliage party: In autumn, the colors of the forests in the mountains and plains in the northeastern United States change endlessly, and friends often invite each other to enjoy the charming autumn colors, hence the name.

3. Picnic Party (cook-out party or cook-out): Picnic is one of the favorite activities of Americans. Except for hot dog and hamburger, they usually eat cold food. The whole family or several families bring cooking utensils and food to the wild to eat and chat, so it's not interesting. Usually, it is held when someone in the family has a birthday, or when celebrating a friend's birthday, honor or achievement. After dinner, some small activities are held on the spot for leisure.

4. Bring your own food working lunch Brown Bag Party: A kind of bring your own food party. At this kind of party (usually at lunch time), everyone eats the food brought from their own brown-bag and talks casually. Because American food stores are all packed with kraft paper, it is an economical and practical communication activity, so it is named.