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1、动词第三人称单数词尾变化有三种形式。动词第三人称单数词尾变化有三种形式。(1)一般动词在词尾加一般动词在词尾加-s,-s在清辅音后读在清辅音后读s,在浊辅音或元音后读,在浊辅音或元音后读z,ds读读dz,ts读读ts。如:。如:help helps,know knows,get gets,read reads(2)以字母以字母s,x,ch,sh或有些以或有些以o结尾的动结尾的动词加词加-es,-es读读iz。如:。如:guess guesses,fix fixes,teach teaches,wash washesgo goes,do does(3)以辅音字母以辅音字母+y结尾的动词,先变结尾
2、的动词,先变y为为i,再加再加-es,-ies读读iz。如:。如:carry carries,fly flies注:在注:在play plays,say says中,字母中,字母y前为元音字母,第三人称单数形式直接在前为元音字母,第三人称单数形式直接在动词后面加动词后面加-s。(4)特殊词例外。如:特殊词例外。如:be is,have has写出下列动词的第三人称单数形式写出下列动词的第三人称单数形式1. eat_ 2. get _ 3. like _ 4. make_ 5. drink _6. play_ 7. love _ 8. read _ 9. listen _10. do_ 11.
3、go _ 12. watch _ 13. wash_ 14. finish _ 15. have_eats gets likes makes drinks plays loves reads listens does goes watches washes finisheshas 本模块出现了大量的表示不确定时间的本模块出现了大量的表示不确定时间的副词,按顺序从大到小:副词,按顺序从大到小:always(总(总是),是),often(经常),(经常), usually(通(通常),常),sometimes(有时),(有时),seldom(很少),(很少),never(从不)(从不)等,这些副等
4、,这些副词表频度,表示经常性或习惯性的行为。词表频度,表示经常性或习惯性的行为。在句中位置:在句中位置:在在be(am,is,are)动词,)动词,情态动词情态动词(can)或助动词或助动词(do,does)之后,之后,行为动词之前行为动词之前。1. Daming always gets birthday presents!2. She often goes to the cinema.3. What do you usually do at a Chinese birthday party?4. We sometimes give birthday cards.6. My mother never makes a birthday cake.I often get up at five past six.He usually plays basketball on Saturday morning.They always help others.You must never tell him.She is often at home on Sundays.What do you usually do on Sundays?