基本上由believe， consider， declare， expect， feel ， report， say， see， suppose， think， understand等組成。例如：
    It is said that…　　 據(jù)說
    It is reported that… 據(jù)報(bào)道
    It is believed that…　大家相信
    It is hoped that…　大家希望
    It is well known that… 眾所周知
    It is thought that…　大家認(rèn)為
    It is suggested that…　據(jù)建議
    It is taken granted that…　 被視為當(dāng)然
    It has been decided that… 大家決定
    It must be remember that… 務(wù)必記住的是