学语法不求人 看懂语法（现在进行时）
学语法有方法，通过观察来学习语法，通过与已经学的一般现在时和现在进行时进行一下比较来发现他的结构和特点，再通过做大量的练习题在学习实践中巩固和掌握语法知识，既符合学生心理特点又记忆深刻，可谓一举两得。
现在进行时和一般现在时的比较
1. Simonplays the violin.
Simon is playing the violin now.
2. She watchesTV.
She is watchingTV now.
3. My friends like to playcomputer games.
My friends are playing computer games now.
4. His cat likes toeat fish.
His cat is eatingfish now.
5. I sweepthe floor every day.
I"m sweepingthe floor now.
6. We often do exercises in the morning.
We are doing exercises now.
7. Do you sometimeslisten toEnglish?
Are you listening to English now?
8. She often singsEnglish song.
Listen， She is singingan English song.
通过观察发现现在进行时结构及特点
总结1：复习一般现在时代特点，总结现在进行时的结构和特点: be+doing
引出概念：现在进行时是英语的一种时态，表示现在进行的动作或存在的状态。在英语时态中，“时“指动作发生的时间，”态“指动作的样子和状态。现在进行时表示动作发生的时间是“现在”，动作目前的状态是“正在进行中”。
总结2：可用来表示现在进行时的时间状语，常用的有：now，this week，right now 等；或者告诉你一个准确的现在时间，或者用look，listen,常用于句子的开头，表示提醒听者注意正在发生的事情,。
变化规则
用提示词的ing形式填空，并按要求分类，注意填写时, 请按其在提示词中出现的先后顺序依次填写。
直接加-ing:__1__ __2__ __3__ __4__ __5__
去e加-ing: __6__ __7__ __8__ __9__
双写辅音字母再加-ing: __10__ __11__ __12__
1. working 2. jumping 3. helping 4. standing 5. carrying
6. shining 7. taking 8. having 9. using
10. running 11. swimming 12. getting
课堂练习，给动词加ing,巩固现在分词变化规则，所给词都来自课本
1. look __1__ 2. write __2__ 3. swim __3__ 4. study __4__ 5. jump __5__
6. go __6__ 7. give __7__ 8. sit __ 8__ 9. play __9__ 10. clean __10__
11. sweep __11__ 12. come __12__ 13. get __13__ 14. say __14__
15. listen __15__ 16. watch __16__
参考答案：1. looking 2. writing 3. swimming 4. studying 5. jumping
6. going 7. giving 8. sitting 9. playing 10. cleaning
11. sweeping 12. coming 13. getting 14. saying
15. listening 16. watching
规律总结：
举例练习，观察学习，找出规律
1. The girl is sittingon the sofa. (变为否定句)
The girlisn"t sitting on the sofa.
2. We are singing an English song. (变为一般疑问句)
Are you singingan English song?
3. The boys are pickingapples. (变为否定句)
The boys aren"t pickingapples.
4. The twins are writingletters in the bedroom. (变为一般疑问句)
Arethe twins writing letters in the bedroom?
5. Tom is riding his bikenow. (变为一般疑问句)
Is Tom ridinghis bikenow?
总结否定形式的结构特点：
总结1：一般疑问句是将be移到主语前面，句末加问号，读升调。
总结2：2、否定句式是在be动词后加not。
欢迎评论，我问必答。