This can be stated in active form. Alternate translation: "it is praise that you should have given me" (See: [[rc://en/ta/man/translate/figs-activepassive]])
By using the negative form, Paul is saying strongly that those Corinthians who think that he is inferior are wrong. Alternate translation: "For I am just as good as" (See: [[rc://en/ta/man/translate/figs-litotes]])
Paul uses irony here to show that those teachers are less important then people say they are. See how this is translated in [2 Corinthians 11:5](../11/05.md). Alternate translation: "those teachers whom some think are better than anyone else" (See: [[rc://en/ta/man/translate/figs-irony]])