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  3. /kanarazu tanjoubi o oboete imasu.

kanarazu tanjoubi o oboete imasu.

必かならず 誕たん生じょう日び を 覚おぼえて います。kanarazu tanjoubi o oboete imasu.
(He) always remembers the birthday without fail.
kanarazu tanjoubi o oboete imasu.
From Lesson 297:Levels of certainty·Japanese

Breakdown of kanarazu tanjoubi o oboete imasu.

いるiru
to exist; to stay; to have (used for living beings)
をo
direct object particle
(お)誕たん生じょう日び(o)tanjoubi
birthday
必かならずkanarazu
definitely; necessarily; invariably

必かならずexpresses a strong commitment or assurance that something will happen or is the case. It's often used to make promises or to express unwavering certainty.

覚おぼえるoboeru
to remember; to memorize

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Nihon-shiki romanizationwatasi ha tyuugoku kara kimasitaHepburn romanizationwatashi wa chuugoku kara kimashita
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