一、 一般现在时:1.概念:经常、反复发生的动作或行为及现在的某种状况.2.时间状语: always, usually, often, sometimes, every week (day, year, month…), once a week, on Sundays,3.基本结构:动词 原形 (如主语为第三人称单数,动词上要加(e)S)4.否定形式:am/is/are+not;此时态的谓语动词若为行为动词,则在其前加don't,如主语为第三人称单数,则用doesn't,同时还原行为动词.5.一般疑问句:把be动词放于句首;用助动词do提问,如主语为第三人称单数,则用does,同时,还原行为动词.6.例句:. It seldom snows here.He is always ready to help others.Action speaks louder than words.
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