@nhelen,
nhelen wrote:
1) City planners are considering expanding the city's Commercial district into nearby residential neighborhoods.
2) City planners are considering to expand the city's Commercial district into nearby residential neighborhoods.
Number one is correct.
The prepositional phrase 'to expand' is incorrectly used here.
It's not necessary to capitalize 'commercial district' unless it's an officially designated area.
Joe(City planners everywhere expand commercial districts.)Nation