At a glance
~どんなに~ことか means "how much...!" or "how...!". The speaker uses it to stress how strong a feeling or situation is.
どんなに + Verb / い-adj (plain form) + ことか
どんなに + な-adj + な + ことか
連絡がなくて、どんなに心配したことか。 I didn't hear from you, and I was so worried!
How to form it
The word before ことか is in plain form. It is not the polite form.
| Attaches to | Form | Example |
|---|---|---|
| Verb | Plain form (often past た) | どんなに待ったことか |
| い-adjective | Plain form | どんなにうれしいことか |
| い-adjective (past) | ~かった | どんなに寂しかったことか |
| な-adjective | ~な | どんなに大変なことか |
A noun cannot come directly before ことか.