一般现在时、一般过去时时态名称结构常连用的词主要用法例句一般现在时1 be动词用am/is/are表示,之后接名词,形容词或介词。often;usually;every;sometimes;always;never;once/twice/ a week/month/year;on Sundays/Mondays/.;一般现在时表示没有时限的持久存在的习惯性的动作或状态,或现阶段反复发生的动作或状态,或一般真理陈述句:I am an office worker.He is so lazy.They are at home now.否定句: I am not Tim.She is not very beautiful.They are not in the office.一般疑问句:Are you an officeassistant? Is she beautiful?2行为动词用V原形或V-s/es,引导疑问句和否定句,用do或dont;第三人称时用does或doesnt,有d