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1、-一、一般现在时：概念：经常、反复发生的动作或行为及现在的*种状况。时间状语：always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, etc.根本构造：be动词；行为动词否认形式：am/is/are+not;此时态的谓语动词假设为行为动词，则在其前加dont,如主语为第三人称单数，则用doesnt，同时复原行为动词。一般疑问句：把be动词放于句首；用助动词do提问，如主语为第三人称单数，则用does，同时，复原行为动词。在一般现在时中，当主语是第三人称单数时，谓语动词要
2、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：Han Mei looks like her mother. 梅看起来像她的母亲。Beijing is in China. 在中国。Uncle Wang often make
3、s 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：A horse is a useful animal. 马是有用的动物。This 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：Everyone is here. 大家到齐了。There is something wrong with the watch. 这块手表有毛病。五、不可数名词作主语时为
4、第三人称单数。如：The milk is in the glass. 牛奶在玻璃杯里。The 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：6 is a lucky number. 6是个吉利数字。【练习】一、 单项选择1 Jenny _ in an office. Her parents _in a hospital.A work works B works work C work are working D is working work2 One of the boys_ a black hat.A have B there is
5、C there are D has3 We will go shopping if it_ tomorrow.A dont rain Bdidnt rain Cdoesnt rain Disnt rain4 He said the sun _in the east and _in the west.A rose; set B rises; sets C rises, set D rise; sets5 Wang Mei _ music and often _ to music.A like; listen B likes; listens C like; are listening D lik
6、ing ;listen6 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 _ ( e) to visit.2 _your sister_(know)English3Her home_ _ _(远离 )her school.4The pot_(not look) like yours very much.5 Where _you_(have)lunch every day6 Who_(想要 )to go swimming7 _she
7、_(do) the housework every day8 Jenny and Danny usually_(play) games in the afternoon .二、一般过去时：概念：过去*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, at the age of 5, one day, long long ago, once upon a time, etc.一般过去时的构造可分三
8、类不同的构造 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. 否认句式：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，否认句和疑问句要使用助动词do和 does 的过去式 did.
9、肯定句式：主语 + 动词过去式+ 其它 否认句式：主语 + didnt + 动词原形+ 其它 【did not = didnt】 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didnt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 didnt do my homework yesterday.(否认句)Did you do your homew
10、ork yesterday.Yes ,I did. /No, I didnt.(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 + 其它否认句式：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：cancould , maymight , mustmust ，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+d
11、o/does过去式+主语+动词原形+其他. What was your former name. 你以前叫什么名字. Why was he late for school 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。 looklooked playplayed startstarted visitvisited pull-pulled, cook-cooked2.以不发音e结尾的动词，在词尾直接加-d。 livelived useused t
12、aste-tasted3.以辅音字母+ y结尾的动词，先将 y 改为i ,再加 ed。 studystudied trytried flyflied 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。 stopstopped planplanned stop-stopped preferpreferred 5.不规则动词的过去式需特殊记忆。 如：am(is)-was, are-were是, bee _became (成为) go-went走根本用法 表示过去*个特定时间发生的动作或存在的状态。 He suddenly fell ill
13、last night. 他昨晚突然病倒了。表示过去的习惯性或经常发生的动作 She went to the cinema once a month when she was at alked by the riverside. 我在乡下时经常在河边散步。 表达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，清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 Wu*i two years ago.2. The
14、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 Spring Festival 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
