一、一般現(xiàn)在時1、概念：表示經常發(fā)生的情況；有規(guī)律出現(xiàn)的情況；總是發(fā)生的；事實真理。2.時間狀語: Always, usually, often, sometimes, every week (day, year, month), once a week (day, year, month), on Sundays (on Mondays), etc.3.基本結構：主語