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1、关于基数词和序数词I.基数词表示数目和号码,如：:Thepopulationofthiscityisonemillionandthreehundredthousand.Hisphonenumberis89276310.Theliveat12,BillStreet.II.序数词表示顺序，如：Takethesecondright.Theyliveonthethirdfloor.III.注意下面基数词变为序数词的不规则变化：one—first,two—second,three—third,five—fifth,eight—eighth,nine—n
2、inth,twelve—twelfthIV.注意下面十位数基数词变为序数词的不规则变化：Twenty—twentieth,thirty—thirtieth,fifty—fiftieth四以上加th,八减t(eighth),九去e(ninth),f来把ve替，ty须变tie.若是碰到几十几，改变个位就可以。第三人称的写法：1、多数动词后面加---s.2、以字母o,s,x,ch,sh结尾的动词后面加---es.如do-doesmiss-missescatch-catchespush-pushes3、动词末尾-y前为辅音时，则变-y为-i，再加-e
3、s.如cye-cyies但在动词末尾的-y前为元音时，则只加-s，如buy-buys(这种变化与名词的单数变复数有点相像）那么，什么情况下用行为动词的一般现在时呢？当这个动作经常发生或表示习惯性的动作时，通常用一般现在时，它经常与表示频度的时间状语连用，如，当句子中有everydayeveryyear,onSunday,inthemorning,often,sometimes,usually,atoneo’clock,等词时，用一般现在时。Hegetsupat6o’clock.SheusuallywatchesTVintheevening.S
4、ometimeshegoestoschoolbycar.TomoftenfliesakiteonSunday.只有第三人称单数动词才要变，其他人称（I,you,we,they）则用动词的原形。写出下列动词的正确形式：1、I(go)toschoolatseveninthemorning.2.Mike(do)hishomeworkateightintheevening.3.Hisfatheroften(read)booksinthelibraryonSaturday.4.Mymotherusually(watch)TVplaysathome.5.
5、Mycousinsometimes(play)cardswithme.6.youoften(study)afterschool?Yes,Ido.7.MikeandTomusually(fly)kitesonSunday.8.They(go)toschoolbybuseveryday.9.She(go)toschoolbybuseveryday.10.Weusually(listen)totheradiointhemorning.11.Heusually(listen)totheradiointhemorning.12.heusually(li
6、sten)tothemusicathome?No,he.动词变现在分词一.直接在动词后面加-ing1.do-doing做2.stand-standing站3.sleep-sleeping睡觉4.eat-eating吃5.sing-singing唱6.drink-drinking喝7.read-reading读8.look-looking看9.walk-walking散步10.watch-watching看11.draw-drawing画12.fly-flying飞13.open-opening打开14.jump-jumping跳15.do-d
7、oing做16.paint-painting绘画17.pick-picking捡18.play-playing玩19.garden-gardening做园艺工作20.talk-talking说话21.cook-cooking烹饪22.see-seeing看见23.learn-earning学习24.catch-catching抓住25.climb-climbing爬26.count-counting数数27.clean-cleaning打扫28.fish-fishing钓鱼二.以不发音的e结尾的去e加-ing1.come–coming来2.d
8、ance-dancing跳舞3.close-closing关4.make–making制造5.ride–riding骑6.write-writing写7.take-
