のすぐ後ろにいます

is right behind

→ の
phrase Rare #23,914
is right behind Used after a person's name or pronoun to say that someone is immediately behind them. います is the polite form; the tense can change, as in いた for the past.
JA: 私はあなたのすぐ後ろにいます。
EN: I’m right behind you.

私はトムのすぐ後ろにいます

I am right behind Tom.

のすぐ後ろにいます

I'm right behind him.

彼女のすぐ後ろにいます

I'm right behind her.

トムメアリーのすぐ後ろにいます

Tom is right behind Mary.

彼らはのすぐ後ろにいます

They’re right behind me.

トムのすぐ後ろにいます

Tom is right behind me.