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介词后要么不加动词,加动词只能加动词ing形式 如:be good at running; do well in jumping;
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
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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
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(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;
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不规则的有:
good, well—better(最高级为best); many, much--- more(最高级为most); far---farther;
20rain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。 ③ It 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
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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.
22have, 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
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