求教:I was doing my homework yestoday morning.这样造句,

问题描述:

求教:I was doing my homework yestoday morning.这样造句,
抱歉,写错了 一个单词yestoday,应该是yesterday.

完全可以.英语语法很灵活的,只要符合说话者逻辑都是可以的.