京。JimwenttoBeijingafterfivedays.五天后,吉姆去了北京。JimwillgotoBeijingafterfiveo’clock.吉姆会在五点钟后去北京。3.for,since(完成时)for可以指过去、现在或将来,着重说明“多久”,后面接时间段。since意为“自从……起”,多与完成时连用,后面接时间点或从句。since引导的从句通常为一般过去时。Hehaslivedherefor2weeks.他在这儿住了两个星期了。Hehaslivedheresince2weeksago.他在这儿住了两个星期了。It’sfiveyearssinceheleftschool.他毕业五年了。二.表示地理位置的介词1.at,in,on,toat接小地点或表示“在……附近,旁边”。in接在大地点或表示“在……范围之内”。on表示接壤。to表示“在……范围外”,并不接壤。Hearrivedatschoolat8o’clock.他8点钟到学校。HearrivedinWenzhouyesterday.他昨天到温州。ZhejiangisintheeastofChina.浙江在中国的东部。RussiaisonthenorthofChina.俄国在中国的北面。ZhejiangistothesouthofJiangsuProvince.浙江在苏州的南面。用on,to,in填空Japanlies____theeastofChina.Fujianlies___thesoutheastofChina.?Canadalies____thenorthoftheUSA.ChinafacesthePacific____theeast.Ningboisacity_____thecoast.?Theislandlies____thecoastofChina.(相隔一定距离)toinonononoff