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1、本文格式为Word版，下载可任意编辑牛津小学五年级英语上学期英语语法(四)现在进行时 牛津小学五年级英语上学期英语语法(四)现在举行时 一、概念 现在举行时表示说话时正在举行或发生的动作,也可表示当前一段时间内的活动或现阶段正在举行的动作 布局：助动词 be ( am / is / are ) +现在分词. 二、 现在分词的构成： 1.大多数动词后可在动词后直接加-ing Eg: carry-carrying,catch-catching,drink-drinking, enjoy-enjoying hurry-hurrying ,do-doing , read-reading , think
2、-thinking 2. 假设动词以-e结尾,那么去掉-e,再加-ing, 如 come-coming , have-having , make-making,ride-riding,write-writing,take-taking,use-using 3. 假设动词只有一个元音字母,而其后跟有一个辅音字母时,将此辅音字母双写,再加-ing 如： hit-hitting,let-letting, put-putting,run-running,sit-sitting 4. 假设动词有两个音节,且重音在其次个音节上,那么末尾的辅音字母须双写,再加-ing, 如: forget-forgetti
3、ng,prefer-preferring,upset-upsetting试对比 benefit/benfiting, differ/differing,profit/profiting,这些词的重音在第一个音节上,因此其末尾的辅音字母不双写 5. 以 -ic 结尾的动词,应先把 -ic 变为 -ick,再加 -ing,eg: panic/panicking,picnic/picnicking,但 lie/lying ,die/dying,tie/tying是特殊变化要记住 三、句型布局： 1.现在举行时的断定形式、否决形式、疑问形式及其回复,全体变化都表达在助动词 be ( is / am /
4、 are ) 上 1)现在举行时的断定形式：主语+be(am/ is/are)+doing+其他成分 I am singing . They are writing . 2)现在举行时的否决形式:主语+be(am/ is/are)+not +doing+其他成分 I am not singing . They arent writing . 3）一般疑问句及回复：be(am/ is/are)+ 主语+doing+其他成分 Am I singing ? Yes ,you are . / No ,you arent . Are they writing ? Yes ,they are . / No
5、 ,they arent . 4)特殊疑问句及回复:特殊疑问词+be(am/ is/are)+主语+doing+其他成分 What are you doing ? We are playing (要求就提问内容概括回复). 2. 缩写形式如下: I am-Im You are-Youre He is-Hes She is-Shes It is-Its We are-Were They are-Theyre 3.说明: 不是全体动词都能用现在举行时态的,如： see、like、want、know 等动词往往都不用举行时态 四用法： 1.表示现在( 指说话人说话时) 正在发生的事情往往与 now,
6、at the moment,just 等副词连用,以示强调 We are waiting for you. What are you doing? Some ones knocking at the door 2.正在举行着的动作可视为未完成的动作： Hes talking to his friends in the classroom. 可用 still 一词强调动作的持续性 Hes still talking to his friends in the classroom. 3. 表示长期的或重复性的动作,说话时动作未必正在举行 Mr. Black is writing another a
7、rticle. Dont take that book away. Your fathers using it. She is learning piano under Mr. Black. 4.现在举行时可用来表示不会长期发生的动作或处境,或被认为在短期内正在举行的动作或存在的处境： Whats your brother doing these days? Hes studying English at Oxford University. 5.现在举行时也可以用来表示当前的动向： People are becoming more and more beautiful these days.
8、 6. 表示渐变的动词有：become,turn,get,grow,run,go,begin等 The leaves are turning brown. Its getting colder and colder. 7.与always,constantly,forever 等词连用,表示反复发生的动作或持续存在的状态,往往带有说话人的主观色调 You are always changing your mind. 8. 现在举行时(以及 be going to）可以表示为将来安置好的活动和事情 Were spending next winter in China. 用arrive,come,g
9、o,leave 等动词的现在举行时描写行 程安置,也通常有“将到达”和“将离去”的意思： Hes arriving tomorrow morning. 9.当现在举行时表示某事发生的次数过多时,那么有时含有怨恨,厌恶,赞扬等的意思： He is always singing at night,and we cant fall asleep late at night. 练习 一.用现在举行时完成以下句子: 1. _you_(fly) a kite? Yes,_. 2. _you_(sit) in the boat? 3. _he_(talk) with me? 4. We_(play) foo
10、tball now. 5. What_you_(do)? 6. I_(sing) an English song. 7. What_he_(mend)? 8. He_(mend) a car. 9. These boys _ (play) tennis on the playground. 10. My mother_ (cook) in the kitchen. 11. We cant help you,because we _ (have )classes. 12. _ the boy _ (write) his homework? 13. Look! These butterflies
11、_ (fly) in the sky. 14. Listen! The girl _ (sing) in the next room. 15. The naughty boy _ (swim) in the river. 二.选择 1. Look. Lucy is_ a new bike today. A. jumping B. running C. riding D takeing 2. The children _ football. A. is playing B. are playing C. play the D. play a 3. They _TV in the evening. They do their homework. A. are watching B. cant watching C. dont watch watching 4. Listen! She_ in the classroom. A. is singing B. sing C .to sing D. is sing 5. _are you eating? Im eating _ meat. A. What,some B. Which,any C. Where,not D. What,a 6. Is she _ something? D. dont 6
