英语过去式与时间状语我能说I sat here for 3 hours yesterday.或者I was sittin

英语过去式与时间状语我能说I sat here for 3 hours yesterday.或者I was sittin I have been sitting here for three hours.我在这坐了三小时.可否说成I sat When I was a small boy,I had often sat for hours playing wit I was here yesterday 是什么时态 I was at home yesterday evening （用tomorrow evening作时间状语改写句子） 改句子I was at home yesterday evening (用 tomorrow evening 作时间状语 英语英语用He作主语I was at school yesterday.I don't live here.------ 把下列句子改为过去式,时间状语every day改为yesterday 1.I do my homework every 时间状语前 什么时候要加介词 什么时候不加呀 I went to school yesterday.I was at h I wish I were here yesterday中为什么不用was 大学英语 231.—Must I stay here for hours?—No,you _______,You can 英语改错:They don't believe that I have come here for nine hours