完成時與過去時的區(qū)別ppt課件

1、Grammar,Unit 3 Online tours,Fill in the blanks,1. One Sunday morning, Millie and Amy _ to Sunshine Park.（go) 2. It _ us about two hours to get there by bus. (take) 3.When she _ 20 months old (be) , she _ to look after herself.( have) 4 _ you _ the “Tour” icon at the top of the page? (see) 5 It _ fam

2、ous for its theatres since the early twentieth century.(be,went,took,was,had,Have,seen,has been,一般 過去時,構成,用法,常用 時間狀語,動詞的過去式,yesterday last night in 1990 two days ago,一般過去時,現(xiàn)在完成時態(tài),構成,用法,常用 時間狀語,Have/has+過去分詞,already, yet, ever, never, just, since, for,現(xiàn)在完成時態(tài),Simple past tense and present perfect tens

3、e 一般過去時和現(xiàn)在完成時都可以表示過去發(fā)生的動作，剛剛接觸現(xiàn)在完成時的時候，很多同學會把它與一般過去時相混淆，這里就說一說它們的區(qū)別,一、構成不同 They lived here in 2011. 他們2011年住在這里。 We have lived here for three years. 我們已經在這里住了3年了。 一般過去時：主語 + 謂語動詞的過去式 現(xiàn)在完成時：havehas + 動詞的過去分詞,He visited Guilin in 1998. 他1998年參觀過桂林。 She always swam in the sea when she lived in Qingdao.

4、 她住在青島的時候，總是去海里游泳。 Jillhasboughtanewcomputer. 吉爾買了一臺新電腦。 I have had my lunch. 我已經吃了午餐,二、用法不同,一般過去時表示過去某個時間發(fā)生的事、存在的狀態(tài)或經常發(fā)生的動作。說話的側重點只在于陳述一件過去的事情，不強調對“現(xiàn)在”產生的影響。 現(xiàn)在完成時表示的動作或狀態(tài)與現(xiàn)在的情況有聯(lián)系，側重這一動作對現(xiàn)在所造成的影響,He has read that book. (說明他現(xiàn)在知道那本書的內容。) He read that book last year. (只說明他去年讀過那本書。 ) He has gone to Am

5、erica. (他現(xiàn)在不在此地， 到美國去了。) He went to America. (只說明他去過美國。,三、時間狀語不同,Did you watch that film last week? 你上周看那部電影了嗎？ She came back yesterday. 她是昨天回來的。 His father has been a teacher since 1968. 他父親從1968年以來一直當老師。 Have you ever been to London? No, I have never been there. 你曾經去過倫敦嗎？ 沒有，以前從沒去過,一般過去時通常與表示過去的具體

6、的時間狀語連用。如：yesterday, last week, two years ago, just now, in 2002等；而現(xiàn)在完成時則常與表示不確切的時間副詞連用，如already, yet, ever, never, just, since, for,I _ (visit) the Palace Museum with my grandparents the other day,I _ (climb) Mount Huang last summer,visited,climbed,Complete the sentences with the correct forms of t

7、he words in brackets.on pape41,I am happy that I _ (learn) to swim,_ you ever _ (try) the famous Tianjin Baozi,Have tried,have learnt,dream(dreaned/dreamt) dream of / about,vi. had gone B. has gone; has been C. went; has been D. has been; had gone,1. We _ (plant) trees last Sunday. So far we _ (plan

8、t) over 300 trees there. 2. A terrible earthquake _ (happen) in Wenchuan on May 12, 2008. 3. He _ (work) here since last year,II. 用所給動詞的適當形式填空,planted,have planted,happened,has worked,4. _ you _ (is) to the United States? Not yet. But I _ (go) to Canada a few years ago. 5. Last year I _ (go) to the

9、theatre every week. 6. In 1995, there _ (be) a very big race. 7. Last Sunday I _ (get) up very late. 8. He _ (teach) in our school for 30 years,Have been,went,went,was,got,has taught,III. 翻譯下列句子,1. 上周六你去世界之窗了嗎？ _ _ Last Saturday? 2. 在最近的5年當中，這個城市發(fā)生了 巨大變化。 _ _ in the last five years. 3. 我弟弟從未出過國。 My brother _ abroad before,Did you go to the Window of the World,Great changes have happened in this city,has never been,4. 我在這學校已學習兩年多了。 I _ at this school _ _. 5. 你已找到你的鋼筆了嗎？ _yourpenyet? 6. 他去那兒已有6個月了。 He _ for six months. 7. 他6個月前去過那兒。 H