1. My father usually complains about my students whenever they go to my house.
-> What
2.I used to like climbing up trees and pick fruits.
-> What
3. . My neighbors always make noise at night.
-> What
4. Nam’s father got angry with him
-> What
1. My father usually complains about my students whenever they go to my house.
-> What my father usually complains about is my students whenever they go to my house.
2.I used to like climbing up trees and pick fruits.
-> What I used to like is climbing up trees and pick fruits.
3. . My neighbors always make noise at night.
-> What my neighbors always do at night is making noise.
4. Nam’s father got angry with him
-> What Nam’s father got angry with was him. (not so sure :<)