if the student listened and followed the instruction carefully,he will have broke an decessicator.ubah lah ke dalam conditional type 1,2,3

CS 1 : if the student listen and follow the instruction carefully, he will break a decessicator
CS 2 : if the student listened and followed the instruction carefully, he would broke a decessicator
CS 3 : if the student have listened and followed the instruction carefully, he would have broken a decessicator