Read each pattern and its example, then write your own sentence on the line.
〜やいなや V-dict + やいなや（書き言葉）
The moment one thing happens, the next follows immediately. Stiff, literary phrasing found in news reports and novels rather than in everyday conversation.
彼はベッドに横になるやいなや、眠ってしまった。 The moment he lay down on the bed, he fell asleep.
〜のに対して V/i-adj plain・na-adjな(である)・Nである + のに対して
Places two things side by side as a contrast: whereas A is one way, B is the other. Slightly formal; very common in reports, essays and explanations.
兄が社交的なのに対して、弟はとても内気だ。 Whereas the older brother is sociable, the younger one is very shy.
〜に加えて N + に加えて（後に「も」が来ることが多い）
Adds a second item on top of the first: not only A, but B as well. More formal than 〜だけでなく; frequent in news, business writing and explanations.
家賃に加えて、光熱費も毎月かかる。 In addition to the rent, utilities cost money every month too.
〜こそ N + こそ（は・を は落ちる。「こそが」「こそは」の形も可）／ V-て + こそ
An emphatic particle that singles out the word before it: this one and no other, precisely this. Attaches to a noun, usually in place of は or を, though こそが and こそは also occur. Used in both speech and writing.
今年こそ資格試験に合格したい。 This year for sure, I want to pass the certification exam.
〜からこそ plain + からこそ（N・na-adj は「だからこそ」）
Singles out the one real reason: it is precisely because of A that B. Usually paired with a positive or heartfelt point; natural in both speech and writing.
あなたのことを思っているからこそ、厳しいことを言うんです。 It's precisely because I care about you that I say such harsh things.
〜ばかりに plain + ばかりに（N である／na-adj な・である + ばかりに）
Blames one small cause for a bad, regrettable outcome. The result is always negative, and the speaker usually feels regret. Used in conversation and writing alike.
一言余計なことを言ったばかりに、彼を怒らせてしまった。 Just because I said one unnecessary thing, I ended up making him angry.