It felt like the primary aim was to get through the textbook quickly, so it didn't seem like we could take our time in having a conversation, even if the textbook didn't get finished.
ご質問ありがとうございます。
"It felt like the primary aim was to get through the textbook quickly,"＝「教科書を早く終わらせるのが第一の目的という感じで、」
"so it didn't seem like we could take our time in having a conversation,"＝「なので、ゆっくり会話をすることが出来る感じではありませんでした、」
"even if the textbook didn't get finished."＝「教科書が終わらなかったとしても。」
ご参考までに。
アメリカ合衆国 
