by the time he gratuades from high school next year, he will have learnt here for three years
问题描述：
by the time he gratuades from high school next year, he will have learnt here for three years
这个句子中前半段,为什么不用by the time he will gratuade from high school next year呢?不是将来的事吗?
答
七四班郑允在和祈祷健康平安13的回答都是可以的.但原句有两个错误的地方.1.正确的拼写是"graduates".2.正确的英语在这里不会用"learnt",应该用"studied".用"learnt"是中文式英语.