14.时间介词季节前，月份前用介词in如：in summer;in March具体的哪一天如星期几，几月几日用介词on如：on Saturday;on the second of April;on Wednesday morning在几点钟前用介词at如：at a quarter to four;只在上下午晚上用in如：in the morning/afternoon/evening;但在夜间用at night。另：季节，月份和星期前不好加the.

15.名词复数构成的方法有规则的有：(1)直接在名词后加s如orange—oranges;photo—photos;(2)以x,s,sh,ch结尾的加es如：box—boxes;glass—glasses;waitress—waitresses;watch—watches;peach--peaches(3)以辅音字母加y结尾的改y为i加es如：study—studies;library—libraries;hobby—hobbies;family—families;(4)以f,fe结尾的改f,fe为v+es如：knife—knives;thief—thieves(注:以o结尾的我们学过的只有mango加es,mango—mangoes其余加s,)不规则的有：man—men;woman—women;people—people;child—children

16.动词第三人称单数的构成(1)直接在动词后加s如：run—runs;dance—dances(2)以s,sh,ch,o结尾的加es如：do—does;go—goes;wash—washes;catch—catches(3)以辅音字母加y结尾的改y为i加es如：study—studies;carry—carries;

17.现在分词的构成

(1)直接在动词后加ing

如：sing—singing;ski—skiing;

(2)双写词尾加ing

如：swim—swimming;jog—jogging;run—running;

(3)以不发音的e结尾的去e加ing

如：ride—riding;dance—dancing;make—making;

18.规则动词过去式的构成(1)直接在动词后加ed如：clean—cleaned;milk—milked;play—played;

(2)以e结尾的直接加d

如：dance—danced;taste—tasted;

(3)以辅音字母加y结尾的改y为i加ed

如：study—studied;carry—carried;

(4)双写词尾加ed

如：stop—stopped;jog—jogged;

不规则的有：am,is—was;are—were;do,does—did;have,has—had;go—went;meet—met;sit—sat;see—saw;get—got;tell—told;run—ran;come—came;steal—stole;read—read;

19.形容词副词比较级的构成规则的：(1)直接在形容词或副词后加er如;small—smaller;low—lower;

(2)以e结尾的加r

如：late—larer;

(3)双写词尾加er

如：big—bigger;thin—thinner;fat—fatter;

(4)以辅音字母加y结尾的改y为i加er

如：heavy—heavier;early—earlier;

不规则的有：

good,well—better(最高级为best);many,much---more(最高级为most);far---farther;

20.rain与snow的用法(1)作为名词意思是雨水和雪是不可数名词如：There is a lot of rain there in spring.那儿的春天有很多雨水。(2)作为动词意思是下雨和下雪，有四种形式分别是：动词原形rain，snow;第三人称单数rains，snows;现在分词raining;snowing过去式rained;snowed;如：①Look!It is raining now.瞧!天正在下雨。②It often rains in Nantong in summer.南通夏天经常下雨。③It rained yesterday.昨天下了雨。④It is going to rain tomorrow.明天要下雨。(3)形容词为rainy和snowy意思是有雨的和有雪的如：It is often rainy here in spring.这儿的春天经常是有雨的。If it is rainy tomorrow,I’ll stay at home.如果明天是有雨的，我将呆在家里。

21.比较级注意只有同类事物才可进行比较。如：My eyes are bigger than hers.Your school bag is heavier than mine.My computer is nicer than Nancy’s.My brother is stronger than me.

22.have,has表示某人有(has用于第三人称单数);There is/are;There was/were表示某地存在有注意There be句型的就近原则单数或不可数用there is/was;复数用there are/were.

23.本身就是复数的词眼镜glasses;耳机earphones;鞋shoes;裤子trousers等词本身是复数。如：My glasses were on the chair just now.但如果表示这双，这副，一双的时候用单数如：There is a pair of chopsticks on the plate.This pair of earphones is for you.

24.五个元音字母分别是Aa,Ee,Ii,Oo,Uu;

25.一个的用法

a用于辅音前不是辅音字母前;an用于元音前不是元音字母前。

如：There is an’s’,a‘t’,a‘u’,a‘d’,an‘e’,an‘n’,and a‘t’in the word‘student’.

26.时间表示法

有两种：(1)直接读时钟和分钟。如6:10读成six ten;7:30读成seven thirty;8:45读成eight forty-five;(2)用to与past表示。在半小时包括半小时以内用几分past几点如：6：10读成ten past six;7:30读成half past seven;过了半小时用下一个钟点差几分如7：45读成a quarter to eight;9:50读成ten to ten;

27.基数词变序数词的方法基变序有规律，结尾加上th;一二三特殊例，结尾字母t、d(即first,second,third);八去t，九去e，ve要用f替(即eigh—eighth;nine—ninth;five--fifth;twelve—twelfth);ty改y为ie后加th别忘记(即整十数如twenty—twentieth;forty—fortieth);几十几十位为基个位为序(如第二十一为twenty-first)。另外强调序数词前一定要加the。

28.日期的表示法用the+序数词+of+月如:三月三日the third of March;12月25日the 25th of December.

29.both表示两者都如：My parents are both teachers.