摘要:
**基本信息**
以时态时间视角为核心,构建"概念对比-结构解析-推理流程-易错规避"的完整方法体系,系统整合现在进行时与一般现在时的逻辑关联。
**专项设计**
|模块|题量/典例|方法提炼|知识逻辑|
|----|-----------|----------|----------|
|语法总结|10大知识点(含Jenny walks/takes等典例)|时态推理三步骤(找时间→判动作类型→结构复核);状态动词意义辨析法|从时间本质差异切入,递进解析结构、功能、动词变化,形成"概念-应用-纠错"逻辑链|
|巩固练习|35题(单选15/填空10/转换5/翻译5)|标志词定位法(now/usually等);结构平行检查法(be+ing与do/does区分)|题型覆盖时态对比核心考法,通过"习惯vs临时""事实vs变化"情境强化知识迁移|
内容正文:
人教版英语七年级下册Unit6语法汇总与练习
现在进行时(2):与一般现在时的对比
第一部分 语法知识点总结
一、两种时态表达的时间视角
现在进行时关注“此刻或现阶段正在进行”,一般现在时关注“经常发生、客观事实或稳定状态”。选择时态的关键是理解语境中的时间视角。
例:It is raining now.表示现在正在下雨。It often rains here in summer.表示夏天经常下雨。动作相同,但时间意义不同。
二、两种时态的结构对比
现在进行时,肯定句核心结构am / is / are + 动词‑ing,否定和疑问:在be后加not;把be提前。
一般现在时(be),肯定句核心结构am / is / are + 其他,否定和疑问:在be后加not;把be提前。
一般现在时(实义动词),肯定句核心结构动词原形 / 第三人称单数,否定和疑问:借助do / does。
进行时中的be是时态结构的一部分,后面必须有动词‑ing;一般现在时实义动词句不能再加be。
三、功能和标志词对比
现在进行时,主要功能:此刻或现阶段正在进行;常见标志:now, right now, at the moment, Look!, Listen!;典型问句:What are you doing?
一般现在时,主要功能:习惯、规律、事实、稳定状态;常见标志:every day, usually, often, on Sundays;典型问句:What do you usually do?
标志词只是线索,完整语境更重要。this week可表示临时的现阶段活动,而every week表示固定习惯。
四、同一动词在两种时态中的变化
例:Jenny walks to school every day, but she is taking a bus today.前半句是日常习惯,后半句是今天正在发生的临时情况。
例:My father usually cooks dinner. He is cooking noodles now. usually与now分别提示一般现在时和现在进行时。
当主语是第三人称单数时,一般现在时实义动词要加‑s或‑es;现在进行时则在is后使用动词‑ing。
五、状态动词和特殊语境
know、like、want、need、understand、belong等通常表示状态,即使句中有now,也常用一般现在时。例:I understand the rule now.
have表示“拥有”时常用一般现在时:She has a camera;表示“吃、举行或经历”时可用进行时:She is having lunch.
look表示“看起来”时是连系动词,常用一般现在时:It looks beautiful;表示“看”这一动作时可用进行时:He is looking at the sky.
六、习惯、事实、状态与临时动作
1、习惯与此刻动作
He plays tennis after school.说明日常习惯;He is playing tennis now.说明此刻动作。两句都可能真实,区别在观察时间。
2、客观事实与当前变化
Water boils at 100℃.表示客观事实,用一般现在时。The water is boiling now.表示这壶水此刻正在沸腾,用现在进行时。
3、稳定状态与临时安排
She lives in Beijing.表示稳定居住;She is living with her aunt this month.强调本月临时居住。this month的语境使进行时更自然。
七、第三人称单数与动词‑ing的平行检查
1、一般现在时的变化位置
主语为he、she、it或单数名词时,实义动词肯定式加‑s /‑es:She watches TV.否定、疑问中由does承担变化,动词恢复原形。
2、现在进行时的变化位置
同样的主语在进行时中使用is,实义动词统一用‑ing:She is watching TV.不再给watching添加第三人称单数词尾。
3、两种错误结构
She is watch TV.缺少‑ing;She does watching TV.混用了does和进行时。看到结构错误时,要先决定时态,再保留一套完整谓语。
八、状态动词的意义变化
1、have的不同意义
have表示拥有时多用一般现在时:I have a raincoat.表示吃饭、上课、举行活动时可用进行时:We are having dinner / a lesson / a meeting.
2、think的不同意义
think表示“认为”时常描述观点:I think it is useful.表示“思考、考虑”这一过程时可说I am thinking about the question.
3、look的不同意义
look表示“看起来”时后接形容词,常用一般现在时;look at表示主动观看时可用进行时。例:The sky looks dark. We are looking at the clouds.
九、时态对比题的完整推理流程
1、为每个分句单独找时间
含but、and、while的句子可能有两个时间视角。My father usually walks, but he is driving today.应分别处理usually和today,不能让一个标志词控制整句。
2、判断动作类型
若表达习惯、事实、状态,优先考虑一般现在时;若表达此刻、现阶段或临时动作,优先考虑现在进行时;状态动词还需单独检查。
3、代入结构并复核
最后按照主语完成第三人称单数、be选择和‑ing拼写,并检查否定、疑问是否使用了正确的辅助成分。
十、常见易错点与判断方法
先圈出时间信息,再判断句子强调“正在进行”还是“经常、事实、状态”;最后按照所选时态完成动词形式。
进行时否定和疑问围绕be变化,一般现在时实义动词句围绕do / does变化,不能混用is play、does playing等结构。
一个句子或并列句中可以同时出现两种时态,只要不同分句表达的时间意义不同。
第二部分 专项巩固练习题
一、单项选择(15题)
1. It often ____ in spring here, but it ____ now.
A. rain; isn’t rain B. rains; is raining C. is raining; rains D. rains; rains
2. My sister usually ____ up at 7:00, but she ____ up at 8:00 this week.
A. get; gets B. gets; is getting C. is getting; gets D. gets; gets
3. —What ____ your brother usually ____ on weekends?
—He usually plays basketball.
A. is; doing B. does; do C. do; do D. are; doing
4. Look! Some children ____ soccer over there, they ____ soccer every Friday.
A. play; play B. are playing; are playing C. are playing; play D. play; are playing
5. She ____ a new bike, and she ____ it to school today.
A. has; is riding B. is having; rides C. has; rides D. is having; is riding
6. I ____ the answer now, so I don’t need your help.
A. am knowing B. know C. knows D. am know
7. The water ____. Don’t touch it.
A. boil B. boils C. is boiling D. boiling
8. He ____ in Shanghai, but he ____ with his grandma these days.
A. lives; is staying B. is living; stays C. live; stays D. lives; stays
9. —____ he ____ TV every evening?
—No, but he ____ TV now.
A. Is; watching; watches B. Does; watch; is watching
C. Does; watches; is watching D. Is; watch; watches
10. The sky ____ dark. It ____.
A. looks; is raining B. is looking; rains C. looks; rains D. is looking; is raining
11. My father usually ____ dinner, but today my mother ____.
A. cooks; cooks B. is cooking; is cooking C. cooks; is cooking D. is cooking; cooks
12. —What are you doing?
—I ____ about the math problem.
A. think B. am thinking C. thinks D. is thinking
13. Fish ____ in water. It’s a fact.
A. live B. are living C. lives D. is living
14. Tom ____ to school every day, but he ____ a bus today.
A. walks; is taking B. is walking; takes C. walks; takes D. is walking; is taking
15. Please be quiet. They ____ a meeting, and they often ____ meetings on Monday.
A. have; have B. are having; are having C. are having; have D. have; are having
二、用所给动词的适当形式填空(10题)
1. My mother often ____ (cook) dinner for us, but she ____ (wash) clothes now.
2. Look! The boys ____ (run). They ____ (run) every morning.
3. He ____ (know) the man, but he ____ (not talk) with him now.
4. Water ____ (boil) at 100℃. The water ____ (boil) now.
5. She ____ (live) in Chengdu, but she ____ (stay) in Nanjing this month.
6. —What ____ you usually ____ (do) on Sunday?
—I usually read books, but I ____ (draw) now.
7. The girl ____ (look) happy. She ____ (look) at the beautiful flowers.
8. They ____ (have) English class every day. Now they ____ (have) a math class.
9. My brother often ____ (play) computer games, but he ____ (not play) them today.
10. I ____ (think) it is good. I ____ (think) about my plan now.
三、句型转换(5题)
1. He plays basketball after school.(改为否定句)
He ____ ____ basketball after school.
2. They are reading books now.(改为一般疑问句,并作肯定回答)
—____ ____ reading books now?
—____, ____ ____.
3. She usually walks to school.(用now改写句子)
She ____ ____ to school now.
4. My father is cooking in the kitchen.(对画线部分提问)
____ ____ your father ____ in the kitchen?
5. The girl likes music.(改为一般疑问句)
____ the girl ____ music?
四、句子翻译(5题)
1. 这里经常下雨,但是现在正在下雪。
____________________________________
2. 他通常在家吃晚饭,但是今天他正在外面吃饭。
____________________________________
3. 水在100摄氏度沸腾,看,这壶水正在沸腾。
____________________________________
4. 我住在成都,但是这个月我暂住在姑姑家。
____________________________________
5. —你周末通常做什么?—我通常跑步,但是此刻我正在看书。
____________________________________
第三部分 参考答案与解析
一、单项选择
1、B
解析:often一般现在时,it主语动词用rains;now现在进行时is raining。
2、B
解析:usually一般现在时gets;this week现阶段临时状态用is getting。
3、B
解析:usually一般现在时,主语your brother,助动词does,后接动词原形do。
4、C
解析:Look!现在进行时are playing;every Friday一般现在时play。
5、A
解析:have表示拥有用一般现在时has;today此刻动作is riding。
6、B
解析:know是状态动词,不用进行时,主语I用know。
7、C
解析:此时此刻水正在沸腾,现在进行时is boiling。
8、A
解析:长期居住一般现在时lives;these days临时状态is staying。
9、B
解析:every evening一般现在时,Does…watch;now现在进行时is watching。
10、A
解析:look表示“看起来”状态用looks;此刻正在下雨is raining。
11、C
解析:usually一般现在时cooks;today临时正在进行is cooking。
12、B
解析:think表示思考过程可用进行时,主语I,am thinking。
13、A
解析:客观事实一般现在时,fish此处表示鱼类复数,live。
14、A
解析:every day一般现在时walks;today临时动作is taking。
15、C
解析:此刻正在开会are having;on Monday经常性动作have。
二、用所给动词的适当形式填空
1、cooks;is washing
2、are running;run
3、knows;isn’t talking
4、boils;is boiling
5、lives;is staying
6、do; do;am drawing
7、looks;is looking
8、have;are having
9、plays;isn’t playing
10、think;am thinking
三、句型转换
1、doesn’t play
2、Are they;Yes, they are
3、is walking
4、What is; doing
5、Does; like
四、句子翻译
1、It often rains here, but it is snowing now.
2、He usually has dinner at home, but he is eating outside today.
3、Water boils at 100℃. Look, the water is boiling.
4、I live in Chengdu, but I am staying at my aunt’s home this month.
5、—What do you usually do on weekends? —I usually run, but I am reading books at the moment.
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