swim
every day 每天,一般現(xiàn)在時(shí),主語(yǔ)是兩個(gè)人是不是第三人稱復(fù)數(shù)，后面跟動(dòng)詞原形對(duì)，

如果是第三人稱單數(shù)作主語(yǔ)，謂語(yǔ)動(dòng)詞就用單數(shù)，如
His father swims every day .那have和has 也是同一個(gè)道理是嗎？第三人稱復(fù)數(shù)用have謝謝對(duì)
如They have many books.
He has a book .