It is said是據(jù)說的意思，后面的時(shí)態(tài)根據(jù)后面的內(nèi)容來定； 比如，It is said that you were still working last weekend. 據(jù)說上周末你還在加班，因?yàn)檎f的是上周末的事情，所以用過去式。
擴(kuò)展資料
再比如，It is said that he is the top three in his class. 據(jù)說他是他們班前三名，因?yàn)檎f的是當(dāng)前的事情，所以用一般現(xiàn)在時(shí)。