一、一般现在时：
概念：经常、反复发生的动作或行为及现在的某种状况。
时间状语：always, usually, often, sometimes, everyweek (day, year, month…), once a week, on Sundays, etc.
基本结构：①be动词；
②行为动词
否定形式：①am/is/are+not;
②此时态的谓语动词若为行为动词，则在其前加don't,如主语为第三人称单数，则用doesn't，同时还原行为动词。
一般疑问句：
①把be动词放于句首；
②用助动词do提问，如主语为第三人称单数，则用does，同时，还原行为动词。
在一般现在时中，当主语是第三人称单数时，谓语动词要用第三人称单数形式，即常在动词原形后加-s或-es。
一、人称代词he, she, it是第三人称单数。如：
He likes watching TV. 他喜欢看电视。
She has lunch at twelve. 她十二点吃午餐。
It looks like a cat. 它看起来像只猫。(口诀：I用am，you用are，is用于她他它，单数名词用is，复数名词都用are)二、单个人名、地名或称呼作主语；是第三人称单数。如：
①Han Mei looks like her mother. 韩梅看起来像她的母亲。
②Beijing is in China. 北京在中国。
③Uncle Wang often makes cakes. 王叔叔经常做蛋糕。三、单数可数名词或"this / that / the+单数可数名词"作主语时，是第三人称单数。如：
①A horse is a useful animal. 马是有用的动物。
②This book is yours. 这本书是你的。四、不定代词someone, somebody, nobody, everything,something等及指示代词this, that作主语时，是第三人称单数。如：
①Everyone is here. 大家到齐了。
②There is something wrong with the watch. 这块手表有毛病。五、不可数名词作主语时为第三人称单数。如：
①The milk is in the glass. 牛奶在玻璃杯里。
②The bread is very small. 那面包很小。六、当数字或字母作主语时，看作第三人称单数。如：
①"6" is a lucky number. "6"是个吉利数字。
【练习】
一、 单选
1 Jenny ____ in an office. Her parents ____in a hospital.
A work works B works work C work are working D is working work
2 One of the boys_____a black hat.
A have B there is C there are D has
3 We will go shopping if it____ tomorrow.
A don't rain B didn't rain C doesn't rain D isn't rain
4 He said the sun ____in the east and ____in the west.
A rose; set B rises; sets C rises, set D rise; sets
5 Wang Mei ____ music and often ____ to music.
A like; listen B likes; listens C like; are listening D liking ;listen
6 Jenny____ English every evening.
A has study B studies C study D studied二、填空
1 I can take Li Ming there when he _____ ( come) to visit.
2 _____your sister_____(know)English?
3Her home____ _____ ______(远离)her school.
4The pot_____(not look) like yours very much.
5 Where _____you____(have)lunch every day?
6 Who_____(想要)to go swimming?
7 ______she_____(do) the housework every day?
8 Jenny and Danny usually______(play) games in the afternoon .
二、一般过去时：
概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。
时间状语：ago,yesterday, the day before yesterday, last week(year, night, month…), in 1989,just now, atjrIqM the age of 5, one day, long long ago, once upon a time, etc.
一般过去时的结构（可分三类不同的结构）
1.Be动词的一般过去时在没有实义动词的句子中使用be动词，am is的过去式为was; are的过去式为were
肯定句式：主语+be(was , were) + 其它.
否定句式：主语+be(was , were) + not + 其它.
一般疑问句：Be(was, were) + 主语+ 其它？
注：在这种构成中，be动词有人称和数的变化，即要根据主语选用was / were。Be动词分为单数和复数，was是表示单数，were是表示复数。
2.实义动词的一般过去时态肯定句要使用动词的过去式，否定句和疑问句要使用助动词do和does 的过去式did.
肯定句式：主语+动词（过去式）+ 其它
否定句式：主语+ didn’t + 动词（原形）+ 其它【did not = didn’t】
一般疑问句：Did+ 主语+ 动词（原形）+ 其它【do, does的过去时均为did】？
注：1. did和didn’t是构成一般过去时的助动词，其特点是要在其后跟动词的原形。
2. 实意动词do的一般过去时
I do my homework every day.(用yesterday改写句子)
I did my homework yesterday.
I didn’t do my homework yesterday.(否定句)
Did you do your homework yesterday？Yes,I did. /No, I didn’t.(一般疑问句)
3. 情态动词的一般过去时态含有情态动词的一般过去时与含有Be动词的一般过去时，是十分相似，请注意观察。
肯定句式：主语+ 情态动词+ 其它
否定句式：主语+ 情态动词+ not + 其它.
一般疑问句：情态动词+ 主语+ 其它？
注：情态动词的过去式：can→could, may→might , must→must ，will-would，should-should。
4.特殊疑问句式：特殊疑问词+be过去式+主语+其他？
特殊疑问词+情态助动词过去式+主语+动词原形+其他？
特殊疑问词+do/does过去式+主语+动词原形+其他？
What was your formername？你以前叫什么名字？
Why was he late forschool last Monday？上星期一他为什么迟到？
What could she do twenty years ago？20年前她能做什么？
规则动词的过去式
1.一般情况下，在动词原形后面加-ed。look→looked play→played start→started visit→visited pull-pulled, cook-cooked
2.以不发音e结尾的动词，在词尾直接加-d。live→lived use→used taste-tasted
3.以“辅音字母+ y”结尾的动词，先将y 改为i,再加–ed。study→studied try→tried fly→flied
4.以重读闭音节（即辅音＋元音＋辅音）或r音节结尾，末尾只有一个辅音字母的动词，要先双写这个辅音字母后，再加–ed。stop→stopped plan→planned stop-stopped prefer→preferred
5.不规则动词的过去式需特殊记忆。如：am(is)-was, are-were（是）,become _became (成为) go-went（走）
基本用法
① 表示过去某个特定时间发生的动作或存在的状态。
He suddenly fellill last night. 他昨晚突然病倒了。
②表示过去的习惯性或经常发生的动作
She went to thecinema once a month when she was at alked by the riverside. 我在乡下时经常在河边散步。
③叙述过去连续发生的一件件事
She got up early,fetched water, cleaned the room and then went out for a walk. 她早早起床，提水，打扫房间然后出去散步。
【练习】
一、请用正确动词形式填空
1. He(live)in Wuxi two years ago.
2. The cat (eat) a bird last night.
3. We (have) a party last Halloween.
4. Nancy (pick) up oranges on the farm last week.
5. I (make) a model ship with Mike yesterday.
6. They (play) chess in the classroom last PE lesson.
7. My mother (cook) a nice food last Spring Festival.
8. The girls (dance) at the party last night.
9. I (watch) a cartoon on Saturday last week.
10. ______ you _______ (visit) your relatives last SpringFestival?
11. ______ he _______ (fly) a kite on Sunday? Yes, he______.
12. Gao Shan _______ (put) up the picture last night.
13. I ____________ (sweep) the floor yesterday.
14. What ______ she _______ (find) in the garden lastmorning?
15. Her father _______ (read) a newspaper last night.
16. Mike _________________(not go) to原由网 bed until 12 o’clocklast night.
17. I listened but ___________ (hear) nothing.
18. How many people ________ (be) there in your class lastterm?
二、按要求变换句型。
1. Frank read an interesting book about history. （一般疑问句）
_______ Frank_______ an interesting book about history?
2. He cleaned his roomjust now.. （划线提问）What________ he _______?
3. Thomas spent RMB 10 on this book. （否定句）
Thomas _______ _______RMB 10 on this book.
4. My family went to the beach last week. （划线提问）
________ ________________ family _______ last week?
1. I _________ (have) an exciting party last weekend.
2. _________ she _________(practice) her guitar yesterday?No, she _________.
3. What ________ Tom ________ (do) on Saturday evening?
He ________(watch) TV and __________(read) an interestingbook.
4. They all _________(go) to the mountains yesterdaymorning.
5. She _________(not visit) her aunt last weekend.
She ________ (stay) at home and _________(do) somecleaning.
6. When ________ you _________(write) this song? I__________(write) it last year.
7. My friend, Carol, ________(study) for the math test and________(practice) English last night.
8. ________ Mr. Li __________(do) the project on Mondaymorning? Yes, he _________.
9. How _________(be) Jim's weekend? It _________(be not)bad.
10. ________ (be) your mother a sales assistant last year?No. she __________.
三、现在进行时：
概念：表示现阶段或说话时正在进行的动作及行为。
构成：be+现在分词。be应为助动词，应与主语的人称和数保持一致。
【注】动词现在分词的变化规则
1. 一般情况下，直接在动词后加-ing，如：work - working study - studying
2. 动词以不发音的-e结尾，要去-e加-ing，如：make - making dance - dancing
3. 重读闭音节的动词，要双写词尾字母，再加-ing，如：put - putting begin - beginning
4. 以-ie结尾的动词，把-ie变成y再加-ing，如：lie - lying tie - tying
写出下列动词的现在分词形式
dance______shop_______ play______________ speak_______have _______ work ________
write_______take________ study________ sit________sing________ swim________ lie________变化：
肯定句式：主语+be( am, is, are)+现在分词+其它.
否定句式：主语+be(am, is, are) +not +现在分词+其它.
一般疑问句：Be(am, is, are)+主语+现在分词+其它？
特殊疑问句：疑问词+be(am, is, are)+主语+现在分词+其它？对现在进行时的特殊疑问句的回答，它不可以用Yes或No直接作答，要根据实际情况回答。
用法（包括高级用法)：
1,表示说话时正在进行或发生的动作。
Please don't make so much noise. I'm writing a composition. 不要吵闹。我正在写作文。
Let's set off. It isn’t raining now. 咱们出发吧。现在不下雨了。这类情况常与now现在，at thepresent现在，at the moment现在，today今天，thisweek这个星期，this year今年等时间状语连用。有时通过上下文可以判断出应采用何种时态，如：
It's four o'clock in the afternoon. The children are playing football on thesports ground. 现在是下午四点。孩子们在操场上踢足球。
Hurry up! We are all waiting for you. 快点！我们大家都等着你。
Look! They are reading over there under the tree. 看！他们在那边的树底下看书。
Listen! She is singing in the room. 听！她在房间里唱歌。
Where is Kate? She is reading in the room. 凯特在哪里？她在房间里看书。
Why are you crying? Is something wrong?为什么哭呢？有什么不对？
2,表示现阶段正在进行而说话时不一定在进行的动作。
We are working in a factory these days. 这几天我们在一家工厂工作。
They are compiling a dictionary. 他们在编一本词典。这类情况常与today今天，thisweek这个星期，this evening今天晚上，these days现在、目前等时间状语连用。3,在口语中表示主语计划将要作的动作。
They are原由网 leaving for New York tomorrow. 明天他们将要动身前往纽约。
Is your brother departing soon? 你的兄弟很快就要启程吗？这类情况常与come来，go去，leave离开，depart离开，arrive到达，stay逗留，start开始等动词连用。所用的动词必须是动作而不是状态，主语必须是人。
4,现在进行时与always等副词连用时带有感情色彩。
He's always quarrelling with others. 他老喜欢跟别人吵架。
She is constantly worrying about her son's health. 她不停地为她儿子的健康担心着。
The boy is forever asking questions. 那个男孩老是问问题。这类情况常与always总是，usually通常，continually不断的，constantly经常的，forever永远、老是等副词连用。
5,有的现在进行时句子和一般现在时同义。用现在进行时表示问者的关切心情。
How are yowww.58yuanyou.comu feeling today? （How do you feel today?）你今天感觉如何？
I am looking （look）forwardto your next visit. 我盼望你下次再来。
Why are you looking（do you look）sosad? 为什么你看起来这么愁眉苦脸的样子呢？
6,有的动词用于现在进行时表示“逐渐”的含义。此种用法除了偶尔和now连用外，一般不和其他时间副词连用的。
Our study is becoming more interesting. 我们的学习变得越来越有趣了。
The leaves are turning red. 树叶渐渐地变红了。
The war is ending. 战争接近尾声了。
Wait a moment; I am finishing my supper. 等一会儿，我的晚饭就要吃完了。适合于此种用法的动词有：bet/grow/become/turn/run/go变成，begin开始，forget忘记，remember记得，die死，finish完成，find发现，rise增强等.7,“be”动词的现在进行时。“be”动词用于现在进行时表示说话者认为是短暂的、和平常不一样的、甚至是伪装的。
He is being foolish. 他在装傻。
He is being honest. 他表现得特别老实。
She is being rude. 她故意表现粗鲁。
I can't understand why he is being so selfish.我不明白此时他为何如此自私。适合于此种用法的有：foolish愚蠢的，nice好的，kind好心的，careful细心的，patient耐心的，lazy懒惰的，silly傻的，rude粗鲁的，polite礼貌的，impolite无礼的等表示人的特性、性格的形容词。（“be”动词用于现在进行时表示人的行为，纯粹表示心理或生理的状态而不带有行动时或主语不是人时，“be”动词不能用于现在进行时）如：
I am happy.（表语是纯粹的心理状态，不可用am being）我很快乐。
He's tired.（表语是纯粹的生理状态，不可用is being）他很疲倦。
It's hot today.（主语不是人，不可用is being）今天很热。
【练习】
一.填空题
1．MrZheng _______________ (read) a book now.
2. Therabbits _________________ (jump) now.
3..Look ! Tom and John ________________ (swim).
4. Mybrother _________________ (make) a kite in his room now.
5.Look! The bus _______________ (stop).
6. We_______________ (have) an English class now.
7.Listen! Someone is__________________(come).
8. They___________________(catch) butterflies now.
9.He __________________www.58yuanyou.com____ (do) anexperiment now.
10.They _____________________(collect)stamps now.
11.Look! He _________ (dive) now.
12. Tom__________________ ( watch ) TV in the dining room.
13. Thedoctors _____________________ (get ) off the bus.
14.Come on. They _________________ ( leave) now.
15. It_______________________ (eat) fish now.
16. Myfather __________________(work) in the office now.
17.Where is your mother?She ________________________ (answer) thephone.18. The teachers ________________ (run) now.二、按要求改写句子
1. Theboy is playing basketball.
否定句：____________________________
一般疑问句：_________________________
肯定回答：__________________________
否定回答：__________________________
对Theboy提问：__________________________
2. 造句:
1).she,thewindow,open,now.(用现在进行时连词成句.)_________________
2).is,who,thewindow,cleaning?(连词成句)______________________
3).Sheis closing the door now.(改成否定句)______________________
4.)Youare doing your homework.(用"I"作主语改写句子)_______________
5).they,thetree,sing,now,under.(用现在进行时连词成句.)______________
6).The Young Pioneers are helping the old woman.(改成一般疑问句)__________
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