YOU SAID:

C should check his account. I've been trying to follow him.

INTO JAPANESE

Cは自分の口座を調べるべきです。彼を尾行しようとしてた

BACK INTO ENGLISH

C should check his account. He was trying to tail him.

INTO JAPANESE

Cは自分の口座を調べるべきです。彼は尾行しようとしていた。

BACK INTO ENGLISH

C should check his account. He was about to follow.

INTO JAPANESE

Cは自分の口座を調べるべきです。彼はついていこうとしていた。

BACK INTO ENGLISH

C should check his account. He was about to follow.