$\text{1. It is my father that usually complains about my students whenever they go to my house.}$
$\text{2. It was i who used to like climbing up trees and pick fruits.}$
$\text{3. It is my neighbors who always make noise at night.}$
$\text{4. It is we who often complains about the noise at night.}$
$\text{5. It was you who gave her a bunch of rose last week.}$