一、 一般現(xiàn)在時：1.概念：經常、反復發(fā)生的動作或行為及現(xiàn)在的某種狀況.2.時間狀語：always,usually,often,sometimes,every week (day,year,month…),once a week,on Sundays,3.基本結構：動詞 原形 （如主語為第三人稱單數(shù),動詞上要加（e）S） 4.否定形式：am/is/are+not;此時態(tài)的謂語動詞若為行為動詞,則在其前加don't,如主語為第三人稱單數(shù),則用doesn't,同時還原行為動詞.5.一般疑問句：把be動詞放于句首；用助動詞do提問,如主語為第三人稱單數(shù),則用does,同時,還原行為動詞.6.例句：.It seldom snows here.He is always ready to help others.Action speaks louder than words.二、 現(xiàn)在進行時：1.概念：表示現(xiàn)階段或說話時正在進行的動作及行為.2.時間狀語：now,at this time,these days,etc.3.基本結構：am/is/are+doing 4.否定形式：am/is/are+not+doing.5.一般疑問句：把be動詞放于句首.6.例句：How are you feeling today?He is doing well in his lessons.三、 現(xiàn)在完成時：1.概念：過去發(fā)生或已經完成的動作對現(xiàn)在造成的影響或結果,或從過去已經開始,持續(xù)到現(xiàn)在的動作或狀態(tài).2.時間狀語：recently,lately,since…for…,in the past few years,etc.3.基本結構：have/has + done 4.否定形式：have/has + not +d one.5.一般疑問句：have或has.6.例句：I've written an article.It has been raining these days.