How does each of the following phenomena contribute to children's development towards combining words into sentences? Please define each term, and use your own examples for full credit. You must provide your own example for the full 5 points for each question, do not just give a definition. (20 points total)

1) Holophrases (5 points)

2) Use of Successive Single Words (5 points)

3) Combining gestures with single words (5 points)

4) Word-specific formulae (5 points)