From Genki chapter 4:
"I often ate hamburgers when I was a child."
My attempt: わたしはよくこどもにハンバーガーをたべました。
And: "Takeshi did not study much when he was in high school."
たけしさんはあまりこうこうにべんきょうしませんでし た。
I don't think either are *quite* right but I'm not sure quite how to fix them.
Help please
?
~~Simba