The past tense of go through with a fine-tooth comb is went through with a fine-tooth comb.

The third-person singular simple present indicative form of go through with a fine-tooth comb is goes through with a fine-tooth comb.

The present participle of go through with a fine-tooth comb is going through with a fine-tooth comb.

The past participle of go through with a fine-tooth comb is gone through with a fine-tooth comb.