My father usually complains about my students whenever they go to my house.
=> It is my father who usually complains about my students whenever they go to my house.
I used to like climbing up tress and pick fruits.
=> It is I who used to like climbing up trees ang pick fruits.
My neighbors always make noise at night.
=> What my neighbors always make at night is noise.
We often complains about the noise at night.
=>What we often complains about at night is the noise.
You gave her a bunch of rose last week.
=> What you gave her last week was a bunch of rose.
Our English teacher is the greatest teacher in the world.
=> It is our English teacher who is the greatest teacher in the world.
The earthquake destroyed everything two years ago.
=> It was 2 years ago that the earthquake destroyed everything.
My recent computer helps me a lot in preparing tasks for my students.
=> It is my recent computer which helps me a lot in preparing tasks for my students.