小学阶段现在进行时的结构和用法
一、概念
现在进行时表示说话时正在进行或发生的动作 ,也可表示当前一段时间内的活动或现阶段正在进行的动作．
结构：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-thinking
2. 如果动词以 -e 结尾 ,则去掉 -e,再加 -ing,
如 come-coming , have-having ,
make-making,ride-riding,write-writing,take-taking,u-using．
3. 如果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. 如果动词有两个音节 ,且重音在第二个音节上 ,则末尾的辅音字母须双写 ,再加
-ing,
如: for ’-forgetting,pre -’preferring,up
较 ’benefit/benfiting, ’differ/differing,
’-uptting．试比
’这profit/profiting,些词的重音在第一个音节
小学语文病句类型
chicken
cloudcomputing上 ,因此其末尾的辅音字母不双写．
5. 以 -ic 结尾的动词united kingdom ,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、句型结构：
1.现在进行时的肯定形式、 否定形式、疑问形式及其回答 ,所有变化都体现在助动
词 be ( is / am / are ) 上．
①现在进行时的肯定形式：主语 +be(am/ is/are)+doing+其他成分
I am singing . They are writing .
②现在进行时的否定形式 :主语 +be(am/ is/are)+not +doing+其他成分
I am not singing . They aren ’t writing .
③一般疑问句及回答： be(am/ is/are)+ 主语 +doing+其他成分
Am I singing ? Yes ,you are . / No ,you aren ’t .
Are they writing ? Yes ,they are . / No ,they aren ’t .
④特殊疑问句及回答 :小学三年级英语上册特殊疑问词 +be(am/ is/are)+主语 +doing+其他成分 What are you doing ? We are playing 要(求就提问内容具体回答 ).
2. 缩写形式如下 :
I am---I ’m You are---You’re He is---He’s She ---is She’s It is--- It ’s We are---We’re They are---They’癖怎么发音re
3.说明 : 不是所有动词都能用现在进行时态的 ,如： e、like 、want、 know 等动
词往往都不用进行时态．
练习
一 .用现在进行时完成下列句子 :
1. ______you__________(fly) a kite? Yes,_______.
2. ______you___________(sit) in the boat?
3. ______he_____________(talk) with me?
4. We_______________(play) football now.
5. What_________you__________(do)?
6. I_____________(sing) an English song.
7. What________he____________(mend)?
8. He______________(mend) a car.
9. The boys _________ (play) tennis on the playground.
10. My mother______________ (cook) in the kitchen.
11. We can ’ t help you,becau we ____________ (have )class.
12. ________ the boy ___________ (write) his homework?
13. Look! The butterflies _________ (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 | 多少钱英文B. are playing | C. play the D. play amarch是什么意思 |
3. | They ______TV in the evening. They do their homework. |
| A. are watching | B. can ’t watching C. don ’t watch D. don ’t watching |
4. | Listen! She____ in the classroom. | |
| A. is singing | 守望幸福B. sing | C .to sing | D. is sing |
5. | ______are you eating? I | ’ m eating ______ meat. |
| A. What,some | B. Which,any | C. Where,not D. What,a |
6. | Is she ____ something? | | | |
| A. eat B. eating | showercreamC. eatting | D. eats |
| | | | | | |
7.My dictionary ___,I have looked for it everywhere but still___ it.
