By then i will be fatter because i will have eaten more food中用by then主句不应也用将来完成时吗?

问题描述:

By then i will be fatter because i will have eaten more food中用by then主句不应也用将来完成时吗?

will be fatter是与现在状态的相比,如果它也用了将来完成时,这个句子你读一下问题很大,学英语不一定要懂语言,老外也不懂语法,但语感很重要.