Read each pattern and its example, then write your own sentence on the line.
〜とばかりに 引用句（V-plain／N／命令形など）＋とばかりに
'As if to say X' — describes an attitude or action so clear it is almost spoken. The words are not actually said; written and descriptive style.
彼は今がチャンスとばかりに手を挙げた。 He raised his hand as if to say now was his chance.
〜ともなると / 〜ともなれば N／V-dict＋ともなると／ともなれば
'Once you reach the stage of X, naturally...' — a high level, age or occasion brings consequences that don't apply at lower levels. Formal, common in commentary.
管理職ともなると、責任が格段に重くなる。 Once you become a manager, the responsibility gets far heavier.
〜と思いきや 普通形（Nやna-adjは「だ」も可）＋と思いきや
'I thought X, but in fact...' — the speaker's expectation is overturned, often with surprise. Literary and somewhat playful; used in writing and lively speech.
簡単だと思いきや、意外に手こずった。 I thought it would be easy, but it gave me real trouble.
〜ないではおかない / 〜ずにはおかない V-nai＋ではおかない ／ V-nai stem＋ずにはおかない（する→せず）
States that something will inevitably be caused, or that the speaker is determined not to let the matter rest. Strong and formal; ずには is the more literary form.
この映画は見る者を感動させずにはおかない。 This film cannot fail to move everyone who sees it.
〜ないまでも V-nai＋までも（N・na-adjは「〜ではないまでも」）
'Even if not as far as X, at least Y' — sets a high level, denies it, then names a lower but acceptable level. Formal-neutral, common in advice and reports.
毎日とは言わないまでも、週に一度は運動したい。 Not every day, perhaps, but I want to exercise at least once a week.
〜ないものでもない V-nai＋ものでもない
A double negative: 'it's not that I couldn't / it may be possible under the right conditions'. Cautious and indirect, typical of careful adult conversation.
条件次第では、その仕事を引き受けないものでもない。 Depending on the terms, I wouldn't necessarily turn the job down.