There are cases where we use 'to'+-ing, like 'look forward to seeing'. The reason is that 'to'is a preposition and not part ofan infinitive- 'to' goes with 'advantages'.
Other common ones include 'be acustomed to' 'be\get used to' 'object to' and any phrasal verb with two prepositions with 'to' at the end.![]()




