1、现在完成时教学设计 预习导航: 主语+ have/ has + 过去分词(pp)否定形式haven’t ( have not )+过去分词hasn’t ( has not ) +过去分词疑问句把助动词have / has 放在句首现在完成时的结构注:主语若是第三人称单数助动词用has1、规则变化(过去分词与过去时变化规则一样)(1)、一般动词,在词尾直接加“ed”。work---worked---worked visit---visited---visited (2)、以“e ”结尾的动词,只在
3、时间段+ agoHehasstayedheresince5hoursago.3)since+ 从句ShehastaughtEnglishSincehecamehere.for: (长达)for+ 时间段He has kept the book for 2 weeks.since , for 的用法:拓展二:辨析have been to和have gone toMy father has gone toShanghai for a meeting.他(已经)去了上海。My father has been to
4、Shanghai for a meeting.他(曾经)去了上海。She has been toChina . 她(曾经)去过中国。(人已经回来了)have been to someplace. 曾经去过某地,已经回来.has gone to someplace.某人去了某地,还没有回来.She has gone toChina last week.上周她去了上海。(人可能回来了也可能没回来)拓展三: 注意: 瞬间动词不能和时间段连用. 瞬间动词Joinbegin/startborrowfinish/end
5、arrive/comeleavediebuy· method 1:动作状态die——be deadleave——be awayborrow/buy——keep/hadarrive——be herebegin——be on(上演)end/finish——be overjoin——be in marry——be married