sb/sthissaidtodo=Itissaidthatsb/sth据说某人/某事物…Themoonissaidtobeitsbiggestandbrightest
=Itissaidthatthemoonisitsbiggestandbrightest
据说他是法国人
ItissaidthatheisfromFrance
=HeissaidtobefromFrance2
occasion场合,时刻,时候on…occasion在…场合以前在很多场合上我都遇见过莉莉
ImetLilyonmanyoccasionsbefore
onthisoccasion此时ononeoccasion有一次3
includingprep
包括(一般放在它所说明的词语前)includedadj
包括在内的(只能放在它所说明的词语后)Fivestudentsfailedintheexam,includingLiPing
Fivestudentsfailedintheexam,LiPingincluded
fall=happen发生,适逢今年的圣诞节是星期一
ChristmasDayfallsonaMondaythisyear
takepartin参加attendjoinjoinin参加takepartin参加活动或比赛等,强调在其中积极作用,不强调活动正在进行中
Lindatakesanactivepartintheschoolactivities
joinin多指参加正在进行的活动,如游戏,谈话或比赛等
Weareplayingfootball
Doyouwanttojoinin
join指加入某个组织或团体,成为其中一员
WejoinedtheEnglishClub
attend指出席或参加会议、聚会、讲座等
Wehavetoattendameet