Hi there - Irish teacher here! (Hopefully not yours!!
If I were doing that question I would keep it very simple. Do not try and separate imni and naire. It gets too complicated. That would be hard even to do through English. You've studied four characters in depth so use them to get your point across. Make a plan. Refer back to the question at the end of each paragraph using tionchar an inmi agus an naire as one unit as such.
Heres a plan from the top of my head:
1. Aontaím go raibh tionchar an imni agus an náire an-mhór ar mhuintir na hÉireann san am atá thart. Feictear é seo go rí-soiléir sa dráma an Triail - dráma a léiríonn meon na ndaoine nuair a bhí cumhacht ollmhór ag an Eaglais Chaitliceach ar an sóchaí go ginearálta. Déanfaidh plé ar ceathrar charachtair ón dráma chun an ráiteas seo a chur iúl - Máire, máthair Mháire, Máilí agus Pádraig.
Away you go taking each character and describing how they were effected by worry and shame in this drama. Thats 4 more paragraphs.
3. Bean Uí Chathasaigh
(Don't forget at the beginning of each paragraph, to explain briefly who each character is in relation to the play. i.e dont just launch in saying Pádraig felt unable to leave his wife, because ......You should briefly explain in two or three sentences who Padraig was in relation to Máire. - it's a good idea to use Máire as the first character because if you use anyone else after that you just explain who they are, in relation to her!
6. Sum up your answer and basically repeat what you said in the opening paragraph.
Use a quote from each character to back up what you're saying.
Hope that's helpful.
Don't panic with an Triail - if you've studied some characters every question can be broken down like that using different characters to back up what you're saying.
Go n-éirí leat