Present Students with These Phrases (Or Others You Create) and Ask

Present students with these phrases (or others you create) and ask them to make several novel sentences from each set.
Discuss the variety of sentences created and then ask students to compare with their classmates. How many sentences a child of two and a half years with a 300 word vocabulary be able to create?(Note: There are commercially available sets of magnets with words and phrases that can be used for this activity.)