1. Compound
2. Simple
3. Complex
4. Compound-complex
5. Complex
_________
1. while he ate
This modifier should be at the beginning of the sentence.
2. who is in college
This modifier should be immediately after Rob, between commas.
3.near the campsite
This modifier should be immediately after "the lovely lake".
4. near the campsite
Again, this modifier is related to the lake, not to the phone.
1. There is a spelling error or a typo. The grin should be described as "ear-to-ear", not as "ear-to-eat". There ar no dangling or misplaced modifiers.
2. Dangling
3. Dangling