Aidea o wasurenai uchi ni, memo shite okimashou.

Let's write down the ideas while we still remember them (before we forget).

Kaigi no shousai ni tsuite, wasurenai uchi ni kanojo ni kiite okitai.

I want to ask her about the details of the meeting before I forget.

Wasurenai uchi ni, ima sugu meeru o okutte kudasai.

Please send the email right now before you forget.

Ryokou no omoide o wasurenai uchi ni, burogu ni kaite okou.

I'll write about my travel memories on my blog before I forget them.

Kaihi o wasurenai uchi ni haratte okimasu.

I will pay the membership fee now before I forget.

Kyou no jugyou no naiyou o wasurenai uchi ni fukushuu shimashita.

I reviewed today's lesson content before I forgot it.