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一、一般现在时1、概念：表示经常发生的情况；有规律出现的情况；总是发生的；事实真理。2.时间状语:Always,usually,often,sometimes,everyweek(day,year,month),onceaweek(day,year,month),onSundays(onMondays),etc.3.基本结构：主语+动词原形（如主语为第三人称单数，动词上要改为第三人称单数形式）4.否定形式：主语+am/is/are+not+其他；此时态的谓语动词若为行为动词，则在其前加dont，如主语为第三人称单数，则用doesnt... 2024-11-179917.42 KB5页34
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