Unit 9 Have you ever been to a museum？-2020-2021学年八年级英语下册语法知识归纳（人教版）

v Unit9 Have you ever been to a museum? 现在完成时态知识点归纳（二） 定义：现在完成时( The Present Perfect Tense)表示动作发生在过去，但对现在仍有影响。 been,ever,never在现在完成时态中的运用 ①表示从过去到现在经历过的事情：现在完成时表示自过去某一时刻到说话时这段时间中的经历，常与never，often，ever，only，since等词连用。 e.g. I have never seen it before. My mother has learned English since 2020. ②现在完成时中never与ever的运用 ever 作副词，意为“曾经”，常用于现在完成时的否定句和疑问句中，位于助动词 have/has 之后、过去分词之前。 e.g Have you ever seen the movie? never 作副词，意为“从不；从未”，常用于现在完成时中，表示否定含义，位于助动词 have/has 之后、过去分词之前。 e,g I have never lost my weight .我的体重从没有减下去过。 ③现在完成时中has been to 与has gone to 的用法及区别 have/has gone to表示“到某地去了”去而未归。e.g. My father has gone to Beijing,he’ll be back in two days. have/has been to表示“去过某地”去已归来 e.g.My father has been to Beijing. ④现在完成时与一般过去时 现在完成时表示发生在过去的动作对现在造成的影响或结果，不与确定的表示过去的时间状语连用。一般过去时表示在过去某个时间发生的事情，存在的状态或经常发生的动作，不强调对现在产生的影响，常与确定的表示过去的时间状语连用。 e.g. I have already watched this movie,so I won’t watch it today.我已经看过这部电影了，今天不看了。 I watched this movie when I was 10 years old.我十岁时就看过这部电影。 练一练 单项选择 1.I really want to go to the _________.How about you? - So do I. We can swim in it. A.water park B.aquarium C.zoo D.space museum 2.-I hear your teacher ______ to Japan once. --Yes,he ______ there last year. A.goes;went B.has been;has been C.went;went D.has been ;went 3.-______ have you been studying English? -Since last year. A.How far B.How soon C.How long D.How often 4.Mr.Black ______China for several years. A.has been to B.has come to C.has been in D.came to 5.His brother _______ for three months. A.has joined the army B.has been in the army C.has become a soldier D.joined the army 用所给词的正确形式填空 1.I_________ (finish) today’s homework already. What about you? 2.He ______ just _______ to join the swimming club.(decide)\ 3.- ______ you ________ Jack recently?（see） -No, I haven’t . 4.How long ____ you ______ in class today?(be) 5.How many English words ______ th