小学英语一般过去时句型转换

根据时间改写句子
（1）TodayisMonday.(thedaybeforeyesterday)
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（2）Thereare23studentsinourclass.(22,yesterday)
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（3）IaminGradeTwothisyear.(lastyear)
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（4）Myfatheris44.(tenyearsago)
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（5）Myparentsareathometoday.(yesterday,atwork)
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