人教版英语七年级下册时态专讲——现在进行时讲义+习题（无答案）

人教版英语七年级下册时态专讲现在进行时讲义+习题（现在进行时和一般现在时异同）
现在进行时
1.现在进行时态表示现在 (说话瞬间) 正在进行或发生的动作（此时此刻正在进行）。
如: The students are listening to the teacher. He is watching TV now.
还可以表示当前一段时间内的活动或现阶段正在进行的动作（现阶段内持续进行）。
如:We are working on a farm these days . I am writing a book this month.
2.常与现在进行时态连用的词:now, listen, look等。 如: What are you doing now (你在干什么 )
I’m reading now. (我现在正在读书。) Listen! She is singing. (听, 她正在唱歌。)
3.现在进行时由be(am/is/are)+动词-ing形式构成。
肯定式结构: 主语+be+动词-ing形式+其他. 如：I am singing. She is dancing.
否定式结构: 主语+be+not+动词-ing形式+其他. 如：I am not singing. She is not dancing.
一般疑问句结构: Be+主语+动词-ing形式+其他？如：Is he listening Is she dancing？
特殊疑问句结构: 疑问词+be+主语+其他？ 如：What are they doing Who is helping Mr.Li right now？
4.一般疑问句回答: 肯定回答: Yes, 主语 +be; 否定回答: No, 主语+be + not.
如:---Are you drawing ---Yes, I am./No, I’m not.
5.构成：am( is, are) + 动词的现在分词的构成规律：
(1)一般情况下，在动词原形后直接加-ing. 如：work—working (工作) do—doing（做） play—playing（玩）
(2)以不发音的字母e结尾的动词，去掉e，再加-ing. 如：dance—dancing（跳舞） come—coming（来）
(3)重读闭音节单词，如果末尾只有一个辅 音字母，则双写这一字母，再加-ing.
如:get—getting(得到) shop—shopping（购物） run—running（跑） swim—swimming （游泳）
(4)以“ie”结尾，要 变ie为“y”, 再加-ing. 如：die—dying(死）lie—lying(平躺）。
现在进行时与一般现在时的区别
一、概念不同：
一般现在时表示：主语经常性和习惯性的动作或存在的状态，也表示说话者的能力及自然现象。
现在进行时表示：说话时（瞬间）正在进行的动作，也表示目前或现阶段一直进行的动作。
如：She often does her homework in the evening. 她经常在晚上做作业。 She is doing her homework now. 现在她正在做作业。
二、结构不同：现在进行时中谓语动词的构成是：am/is/are+动词的-ing形式（现在分词）。
一般现在时中谓语动词的构成有以下三种情况：
①be动词的一般现在时形式：am，is，are. ②动词have的一般现在时形式：have，has.
③其他行为动词的一般现在时形式有动词原形或第三人称单数形式。
三、时间状语不同：
一般现在时时间状语：
always/usually/often/sometimes/never/every day/week/month/year/on Sundays/in the morning/afternoon/evening等；
现在进行时时间状语：
now/these days/this week/at the moment等，有时句首有“Look！”、“Listen！”或“It’s+时刻”等词、句存在。
如：We play football in the afternoon.一般现在时 My mother is reading a newspaper now. 现在进行时
一、用括号内动词的适当形式填空。
1. She ______ _________ (walk) now. 2. Mother is ________ (feed) birds.
3. They ___ _____ (sit) on the chair. 4. Cindy ____ _________ (watch) TV.
5. Joe ___ _____ (water) in the garden. 6. Look, Nick ____ _____ (come).
7.The cat ___ _____ (lie) on the grass. 8. Listen, she ____ _____ ( sing).
9. Look, the girl ____ _____ (run). 10._____your parents ______(read) newspapers now
二、选择填空
( )1．I am ____ my homework now. A.doing B.to do C. to do my D.do my
( )2．____you____the blackboard Yes,I am. A.Can, clean B.Am, cleaning C.Are, cleaning D.Do, clean
( )3．______go and help her. A.Let's me B.Let's us C.Let's D.Let's to
( )4．What are they doing They are___things away. A.put B.putting C.putting D.carry
( )5．Do they have a new car Yes,_____. A.they are B.they have C.they don't D.they do
( )6．He often _____ supper at 6:00 in the evening. A. have B. has C. is having D. is eating
( )7. It’s 6 o’clock in the morning. He ______. A. get up B. gets up C. is geting up D. is getting up
( )8. What are you doing I’m ______ TV. A. watch B. watches C. to watch D. watching
( )9. We ______ any Chinese classes on Friday. A. are having B. aren’t having C. don’t have D. are have
( )10. Tom _______ an English class now. A.is having B. has C. having D. have