Verb + 记 / 记 + Object
The verb 记 (jì) means "to remember" or "to record." It is a common character used in many compound words, such as 忘记 (to forget, literally "forget-remember"), 记忆 (memory), and 记录 (to record). In the phrase 忘记, the 记 completes the verb meaning "to forget."
你记得明天开会的时间吗?
Nǐ jìde míngtiān kāihuì de shíjiān ma?
Do you remember the time of tomorrow's meeting?
我把她的电话号码记在了本子上。
Wǒ bǎ tā de diànhuà hàomǎ jì zài le běnzi shàng.
I wrote down her phone number in my notebook.
他总是忘记带钥匙。
Tā zǒngshì wàngjì dài yàoshi.
He always forgets to bring his keys.