一般现在时有哪些形式和特点呢?答: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.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...
一般现在时的句子结构是怎样的?答:一、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, every week (day, year, month…), once a week, 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don't,如主语...