1、单 元 清 一、have/has been to，have/has gone to have/has been to表示“曾经去过(某地)”，是一种经历，含有现在离开那儿之意，后可接次数(如：once， twice，three times等)表示“去过(某地)几次”，也可和just，never，ever等连用。如： Have you ever been to Beijing，Mary？玛丽，你曾经去过北京吗？ Yes，I have been there twice.是的，我去过两次。(玛丽目前在说话处，不在北京) have/has gone to意为“到(某地)去了”，说话时该人不在现场。如：
2、 Where is Tom？汤姆在哪里？ He has gone to the post office.他去邮局了。(Tom目前不在说话处，在邮局或去邮局的路上) have/has been to和have/has gone to后接地点副词(three，here等)时，需省略介词to。如：He has never been there before.他以前从没有去过哪儿。They have gone there.他们已经去那儿了。 二、现在完成时态与一般过去时态的区别 1一般过去时表示过去发生的动作或存在的状态；现在完成时表示过去发生的某一动作对现在造成 的影响或结果，强调的是现在的情况。
3、I saw this film yesterday.昨天我看过这部电影。(强调看的动作发生过了) I have seen this film.我已经看过这部电影。(强调对现在的影响，电影的内容已经知道了) 2一般过去时常与具体的表示过去的时间状语连用。如：yesterday，last year，ago，in 1990，in October，just now等。现在完成时不能与表示过去的时间状语连用。 现在完成时的时间状语有：ever，never，just，yet，in the past/last few years，recently，so far等。 汤姆昨天晚上给他的父母写了一封信。 Tom
4、 has written a letter to his parents last night.() Tom wrote a letter to his parents last night.() 单 元 清 写作案例 假如你 7.117.13 在洛杉矶旅行。 请根据下面所给出的信息写一篇 70 词左右的文章向我 们介绍一下你的旅游经历。 People My parents and Time July 11July 13 Day 1 Hollywood Sign (on the top of Mount Lee) Day 2 Venice Beach (beach activities) Da
5、y 3 The Farmers Market (There are all kinds of fruits and delicious food) Los Angeles is one of the biggest cities in America_ _ _ We enjoyed ourselves in Los Angeles. 单 元 清 写作指导 这是一篇旅游话题的记叙文写作。写作时按时间顺序推进文章的发展，一般 可划分为三段：旅游的时间、地点、人物；具体活动和感受。 高分模板 开篇点题：旅游的时间、地点、人物 My parents and I stayed there for thr
6、ee days from July 11 to July 13. 具体活动visited Hollywood sign had great fun playing on Venice Beach went to the farmers Market 感受We enjoyed ourselves 美文欣赏 Los Angeles is one of the biggest cities in America.My parents and I stayed there for three days from July 11 to July 13.On the first day，we visited Hollywood sign which is on the top of Mount Lee.On the second day，we had great fun playing on Venice Beach.We swam and played beach volleyball.We went to the Farmers Market on the third day.We bought many kinds of fruits and ate a lot of delicious food there. We enjoyed ourselves in Los Angeles.
