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英语八种时态一般现在时概念：经常、反复发生的动作或行为及现在的某种状况。时间状语：always,usually,often,sometimes,everyweek(day,year,month),onceaweek,onSundays,etc.基本结构：①be动词；②行为动词否定形式：①am/is/are+not;②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，同时还原行为动词。一般疑问句：①把be动词放于句首；②用助动词do提问，如主语为第三人称单数，则用doe... 2025-01-159814.46 KB3页78
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一.定义:副词主要用来修饰动词，形容词，副词或其他结构。一般副词主要分为以下几种:①.时间副词,如:often,always,early,now②.地点副词,如:here,there,above,outside③.方式副词,如:hard,well,badly,fast,slowly④.程度副词,如:very,quite,much,still,almost2.疑问副词(放在特殊疑问句的句首),如:how,when,where,why3.关系副词(放在定语从句句首),如:when,where,why4.连接副词(放在名词从句句首),如:how,when,where,why,whethe... 2025-01-1513416.03 KB4页65
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