(a) The students studying regularly can expect a good result.(Make it a complex sentence)

(b) But most of our students are inattentive to their studies.(Make it a negative sentence without changing the meaning)

(c) They waste their valuable time idly.(Use passive voice)

(d) Wasting time is harmful for them.(Make it an interrogative sentence)

(e) By repeating this activity they make a poor result.(Make it a complex sentence)

(f) Who loves them then?(Make it a assertive sentence without changing the original meaning)

(g) They are treated badly even by their family members.(Use active voice)

(h) If a student fails in the examination, he suffers from inferiority complex.(Make simple sentence)

(i) No other student in the class is as bad as a failed student.(Use superlative)

(j) So a student should be aware of studying regularly and attentively so that he can do well in the examination.(Make it a simple sentence)