很高兴为您提供相关信息。洪恩幼儿英语6第四单元主要包括以下内容：

1. 主题词汇 Vocabulary
–

vegetables (蔬菜)
– fruits (水果)
– food groups (食物类别)

2. 句型和对话 Sentences and

Dialogue
– A: What\’s your favorite fruit?
B: My favorite fruit is an apple.
– A: Do you like vegetables?
B: Yes, I like carrots.
– A: What food group does cheese belong to?
B: Cheese belongs to the dairy group.

3. 歌曲和故事 Songs and Story
– 歌曲: \”The Vegetable Song\” （蔬菜歌）
– 故事: \”The Hungry Caterpillar\” （饥饿的毛毛虫）

希望这些信息能够帮助到您。