現(xiàn)在進(jìn)行時講解MicrosoftWord文檔

1、小學(xué)英語現(xiàn)在進(jìn)行時詳細(xì)講解摘要：一、概念現(xiàn)在進(jìn)行時表示說話時正在進(jìn)行或發(fā)生的動作,也可表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作結(jié)構(gòu)：助動詞 be ( am / is / are ) +現(xiàn)在分詞.一、概念現(xiàn)在進(jìn)行時表示說話時正在進(jìn)行或發(fā)生的動作,也可表示當(dāng)前一段時間內(nèi)的活動或現(xiàn)階段正在進(jìn)行的動作結(jié)構(gòu)：助動詞 be ( am / is / are ) +現(xiàn)在分詞.二、 現(xiàn)在分詞的構(gòu)成1.大多數(shù)動詞后可在動詞后直接加-ing如: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doi

2、ng , read-reading , think-thinking2. 如果動詞以-e結(jié)尾,則去掉-e,再加-ing,如：come-coming , have-having , make-making,ride-riding,write-writing,take-taking,use-using3. 如果動詞只有一個元音字母,而其后跟有一個輔音字母時,將此輔音字母雙寫,再加-ing如： hit-hitting,let-letting, put-putting,run-running,sit-sitting4. 如果動詞有兩個音節(jié),且重音在第二個音節(jié)上,則末尾的輔音字母須雙寫,再加-ing,如

3、: forget-forgetting,prefer-preferring,upset-upsetting試比較 benefit/benfiting, differ/differing,profit/profiting,這些詞的重音在第一個音節(jié)上,因此其末尾的輔音字母不雙寫5. 以 -ic 結(jié)尾的動詞,應(yīng)先把 -ic 變?yōu)?-ick,再加 -ing,eg: panic/panicking,picnic/picnicking,但 lie/lying ,die/dying,tie/tying是特殊變化要記住三、句型結(jié)構(gòu)1.現(xiàn)在進(jìn)行時的肯定形式、否定形式、疑問形式及其回答,所有變化都體現(xiàn)在助動詞 b

4、e ( is / am / are ) 上1)現(xiàn)在進(jìn)行時的肯定形式：主語+be(am/ is/are)+doing+其他成分I am singing . They are writing .2)現(xiàn)在進(jìn)行時的否定形式:主語+be(am/ is/are)+not +doing+其他成分I am not singing . They arent writing .3）一般疑問句及回答：be(am/ is/are)+ 主語+doing+其他成分Am I singing ? Yes ,you are . / No ,you arent .Are they writing ? Yes ,they are

5、. / No ,they arent .4)特殊疑問句及回答:特殊疑問詞+be(am/ is/are)+主語+doing+其他成分What are you doing ? We are playing (要求就提問內(nèi)容具體回答).2. 縮寫形式如下:I am-Im You are-Youre He is-Hes She is-ShesIt is-Its We are-Were They are-Theyre3.說明: 不是所有動詞都能用現(xiàn)在進(jìn)行時態(tài)的,如：see、like、want、know 等動詞往往都不用進(jìn)行時態(tài)四用法1.表示現(xiàn)在( 指說話人說話時) 正在發(fā)生的事情往往與 now,at t

6、he moment,just 等副詞連用,以示強調(diào)We are waiting for you. What are you doing? Some ones knocking at the door2.正在進(jìn)行著的動作可視為未完成的動作：Hes talking to his friends in the classroom.可用 still 一詞強調(diào)動作的持續(xù)性Hes still talking to his friends in the classroom.3. 表示長期的或重復(fù)性的動作,說話時動作未必正在進(jìn)行Mr. Black is writing another article.Dont

7、 take that book away. Your fathers using it.She is learning piano under Mr. Black.4.現(xiàn)在進(jìn)行時可用來表示不會長期發(fā)生的動作或情況,或被認(rèn)為在短期內(nèi)正在進(jìn)行的動作或存在的情況：Whats your brother doing these days? Hes studying English at Oxford University.5.現(xiàn)在進(jìn)行時也可以用來表示當(dāng)前的動向：People are becoming more and more beautiful these days.6. 表示漸變的動詞有：becom

8、e,turn,get,grow,run,go,begin等The leaves are turning brown.Its getting colder and colder.7.與always,constantly,forever 等詞連用,表示反復(fù)發(fā)生的動作或持續(xù)存在的狀態(tài),往往帶有說話人的主觀色彩You are always changing your mind.8. 現(xiàn)在進(jìn)行時(以及 be going to）可以表示為將來安排好的活動和事件 Were spending next winter in China. 用arrive,come,go,leave 等動詞的現(xiàn)在進(jìn)行時描寫行程安排,也通常有“將到達(dá)”和“將離去”的意思： Hes arrivi