实用文档文案大全8B Unit2 1.I've been there be fore. 我以前去过那里。①before 副词“以前”。常与现在完成时连用，也可与一般过去时连用。He has never seen such a huge stone before.他以前从未见过这么大的石头。②before 介词或连词“在⋯⋯之前” ，可表示时间、位置、顺序等。My father usually goes to bed before 9:00 p.m. 我父亲通常在晚上9 点之前睡觉。（介词）Turn off the light before you leave the room.离开房间前关上灯。（连词）3.Can I join you?我可以和你一起去吗 ? ①join及物动词“加入”，表示加入某一组织、党派、社会团体或某一人群中，从而成为其成员。join后常出现 club ，army，team，group 以及表示人称代词宾格的单词等。My father joined the army after he finished middle school. 我爸爸中学毕业后就参军了。Will you come and join us for supper? 你愿意来和我们共进晚餐吗? ②take part in“参加 / 参与某项工作、活动、游戏或会议等” ，强调参加者有积极的态度，并起到一定的作用。take part in之后接名词或动名词。 =join in。Would you like to take part in/join in the English party? 你愿意参加英语晚会吗？Everyone can take part in gardening. 每个人都可以加入到园艺活动中来。实用文档文案大全③join sb.in...“参加到⋯⋯中”。A lot of students are playing football on the playground. Let ’s join them in playing football! 许多学生正在操场上踢足球，咱们加入到他们当中吧！4.excited形容词为“感到兴奋的，感到激动的” 。be excited at/about sth对某事感到激动；be excited to do sth.激动地去做某事；be excited that+从句。She was really excited about going to Beijing. 她对北京之行感到非常兴奋。I was excited that I could have the chance to study abroad. 我很激动，我能有机会出国学习了。We’re very excited about the exciting news.我们对这个激动人心的消息感到很激动。5.I don't think it'll be a holiday for me.我认为对我来说这将不是一个假期。这是一个含有宾语从句的主从复合句，I don't think是主句， it'll be a holiday for me是宾语从句。当主句主语为第一人称， think,b...
