Transform into the passive voice 2. he could write a good compisition on this subject 3. you must explain in to him 4.couldanyone doit without outside help? 5.you can`t do such things here. 6.you must do it very slowly. 7.can on do it without special training? 8. should i learn the rule by heart?

2.a good composition on this subject can be written by him
3.he must being explained in by you
4.Could it being done without outside help?
5.Such things cannot be done by you
6.it must done very slowly by you
7. ссори не поняла сути предложения
8.should the rule been learnt by heart?