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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某种状况。时间状语：always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays, etc.基本结构：be 动词；行为动词否定形式：am/is/are+not;此时态的谓语动词若为行为动词，则在其前加 dont,如主语为第三人称单数，则用 doesnt，同时还原行为动词。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，还原行为动词。在一般现在时中，当主语是第三人称单数时
2、，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：Han Mei looks like her mother. 韩梅看起来像她的母亲。Beijing is in China. 北京在中国。Un
3、cle 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：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 wat
4、ch. 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：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】1、 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 work2 One of the boys_ a bl
5、ack hat.A have B there is C there are D has3 We will go shopping if it_ tomorrow.A dont rain B didnt rain C doesnt rain D isnt 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; listen
6、s C like; are listening D liking ;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 _ ( 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 d
7、ay?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, at the age of 5, one day, long long ag
8、o, 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
9、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 + 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 yesterda
10、y.I didnt do my homework yesterday.(否定句)Did you do your homework 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：cancould , maymight , mustmust ，will-would，should-should。
11、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 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-
12、pulled, cook-cooked2.以不发音 e 结尾的动词，在词尾直接加-d。 livelived useused taste-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）, be
13、come _became (成为) go-went（走）基本用法 表示过去某个特定时间发生的动作或存在的状态。He suddenly fell ill 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。 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
14、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
15、(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 last morning?15. Her father _ (read) a newspaper last night.16. Mike _(not go) t
