Exclamatory Sentences:
* "What a cute dog!"
* "Oh my goodness, look at that adorable pup!"
* "Wow, that dog is huge!"
* "I can't believe I just met the most friendly dog ever!"
Imperative Sentences:
* "Go pet the dog!"
* "Let's meet the dog!"
* "Say hello to the dog!"
* "Don't be afraid, meet the dog!"
You can also combine these styles:
* "Look at that dog, let's go say hello!"
Remember to adjust the tone and phrasing to fit the specific situation and your relationship with the dog and its owner.