大前天和大后天用英语怎么说

three days ago/two days before yesterday 大前天
two days ago/the day before yesterday 前天
in three days/two days after tomorrow 大后天
in two days/the day after tomorrow 后天

大前天：two days before yesterday
大后天：two days after tomorrow
以此类推......

大前天two days before yesterday
大后天two days after tomorrow

Three days ago.(大前天）
Three days from now。（大后天）
应该是吧！

three days ago 大前天

in three days 大后天