Please type what I say and correct the English afterwards.
After typing what I say, could you correct the English please?
私が言ったこと = what I say / what I said
タイプして後で = after typing
正しい英語に修正して下さい = please correct it to the right English--> please correct the English
もっと丁寧の言い方は「could you please...? / would you mind -ing...?」という表現です。
After typing what I say could you please correct it?
Would you mind typing what I say and correcting the English?