one visit of a serious committee to a newspaper editor will make him think hard about what he is doing, even though he will be crusty about making promises.

위의 밑줄 친 문장을 보면 eve though가 부사절 문장이잖아요. 부사절 문장에도 미래 조동사 will이 나올수 있는 건가요? 답변 부탁드립니다 ^^