It is said是據說(shuō)的意思，后面的時(shí)態(tài)根據后面的內容來(lái)定； 比如，It is said that you were still working last weekend. 據說(shuō)上周末你還在加班，因為說(shuō)的是上周末的事情，所以用過(guò)去式。
擴展資料
再比如，It is said that he is the top three in his class. 據說(shuō)他是他們班前三名，因為說(shuō)的是當前的事情，所以用一般現在時(shí)。