one day是什么时态
中考英语
2022/2/4
一般是指过去时。其它还有：one morning, one afternoon, one evening, one night。再有：once upon a time ,there was once。
一、一般现在时：
标志：always, usually, often, sometimes, every week (day, year, month...), once a week, on Sundays,
结构：①be动词；②行为动词
二、一般过去时：
标志：ago, yesterday, the day before yesterday, last week(year, night, month...), in 1989, just now, at the age of 5, one day, long long ago, once upon a time, etc.
结构：①be动词；②行为动词
三、现在进行时：
标志：now, at this time, these days, etc.
结构：am/is/are+doing
四、过去进行时：
标志：at this time yesterday, at that time或以when引导的谓语动词是一般过去时的时间状语等。
结构：was/were+doing
五、现在完成时：
标志：recently, lately, since...for...,in the past few years, etc.
结构：have/has + done
六、过去完成时
标志：before,by,the end of last year(term,month)......
结构：had done
七、一般将来
标志：tomorrow,next day,soon,in a few minutes....
结构：1、be going to 2、will/shall do
八、过去将来时
标志：the next day,the following month
结构：1、be going to do 2、would /should do
这里列举的都是最基本的，具体题型中还有很多变化。
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