资源简介

㈠ 一般现在时
八上重点语法---四大时态
一般现在时 结构：1.主语＋am/is/are 2. 主语＋动词原形/动词第三人称单数 标志词： 频度副词： always, usually, often, sometimes, seld om, never, hardly ever 频率词组： once a year,twice a month, three times a day 等3.其他词组： on Sundays, at/on weekends, every day/year...(every 系列) 表示现阶段经常性、习惯性的动作，常与频度副词连用。 表示客观真理、客观存在或自然现象。如： The earth moves around the sun.地球绕着太阳转。 主将从现。用在 if， unless， as long as， until 等引导的时间状语和条件状语从句中，用一般现在时表示将来。如： Unless he talks to someone，he’ll certainly feel worse. 除非他和某人交谈，否则他肯定会感觉更糟。
Lucy often (watch) TV at nine.
Sometimes my mother (not do) the cooking.
Jim (study) English every morning
I won’t go out until my mother (come) back.
We won’t go swimming if it (rain) tomorrow.
一般过去时
一般过 去时 结构： 1. 主语＋was/were 2. 主语＋动词过去式标志词： ago 及 ago 词组 yesterday 及 yesterday 词组3. last 及 last 词组 just now, in the past, in 1920 等 at the age of..., .. one day, long long ago, once upon a time 表示过去某个时间里所发生的动作或存在的状态。如： She finished reading a book about robots last week. 她上周读完了一本关于机器人的书。 表示过去常常或反复发生的动作，常与 always，usually， often，sometimes，never 等频度副词连用。如： When I was a child， I often played basketball in the park. 当我是一个小孩时，我经常在公园里打篮球。
We often (take) a walk in the evening when we lived in the country last summer.
The old man (move) to America at the age of four.
You (not do) your homework just now.
We (live) in the country in the past.
He (turn) off the lights and left the classroom.
㈢ 一般将来时
一般将 来时 结构： 主语＋will/shall/ 表示将来发生的动作或存在的状态。如： They will leave for Shanghai next week.他们下周将前往上海。 be going to＋动词原形，表示计划、打算做某事， 表示已决定的、很可能发生的事，或有某种迹象表明要发生的事。如： Look at the dark clouds. There is going to be a storm. 看那黑云。将要有暴风雨。（客观迹象） “be doing”结构表示将来，常用于这种结构的动词有 go， come， leave， stay， start， begin 等，表示即将发生或安排好要做的事情。如： She is going there tomorrow. 她明天将去那儿。 主将从现。If you go to the party, you will have a good time.
be going to＋动词原形
标志词： 1. tomorrow, soon, later
2.next week/month(next 系列)
3. in a week, in 2021, in＋一段时间
4. one day,some day,
in the(near) future
He (buy) the book next week.
Can you guess what (happen) in a hundred years
you (study) in No. One Middle School next term
He (be) 18 years old next year.
㈣ 现在进行时
现在进 行时 结构:主语＋am/is/are＋ 动词的现在分词 标志词:1. Look！/Listen！ 2. now, right now at present, at this time, at the/this moment these days 表示此时此刻正在进行的动作。如： Look！ My brother is reading a book. 看！我哥哥/弟弟正在读书。 表示现阶段正在进行的动作或持续的状态。如： They are studying hard this term.他们这学期学习很努力。 go， leave， arrive， start 等动词用现在进行时表将来。如：Sam isn’t leaving until next Wednesday. 萨姆直到下周三才会离开。
They (sleep) now.
The worker (not work) at the moment.
Look! The boy (play) football.
He is always (ask) me questions.
综合练习 1. Our teacher (have) a holiday once a month.
2. Lucy saw a bird when she (open) the door. 3.Listen! Some children (sing) in the hall.
4.--How soon he (finish）his work -- In a week.
5 There (be) a class meeting next Tuesday afternoon.
㈠ 变化规则
八上重点语法：形容词和副词的比较级和最高级
①一般单音节词末尾加-er 和-est 如：strong-stronger-strongest
②以 e 结尾的单音节词,只加-r 和-st 如：strange-stranger-strangest; nice-nicer-nicest
③以一个辅音字母结尾重读闭音节的单词,须先双写这个辅音字母,再加-er 和-est
大红胖瘦悲湿热 big-bigger-biggest; red-redder-reddest; fat-fatter-fattest; thin-thinner-thinnest; hot-hotter-hottest; wet-wetter-wettest; sad-sadder-saddest
④ 以辅音字母+y 结尾的单词(以 ly 结尾的形容词),先把 y 变成 i,再加-er,-est 如：
healthy-healthier-healthiest; busy-busier-busiest; friendly-friendlier-friendliest;
⑤ 部分双音节和多音节词(以 ly 结尾的形容词)都在前面加单词 more, most; popular-more popular- most popular
⑥不规则形容词的比较级和最高级形式 口诀：两好两坏加两多，一少一远都包括。
原级 比较级 最高级
good / well better best
bad/badly / ill worse worst
many / much more most
little less least
far farther / further farthest / furthest
old older/elder oldest/eldest
㈡比较等级的用法
使用连词 than (比较级+than) Bob is heavier than Paul.
“Which / Who is + 比较级, A or B ”
Which T-shirt is nicer, this one or that one Who is more active, Mary or Kate
“比较级＋and＋比较级”意为“越来越…” 多音节比较级用“more and more＋形容词原级”形式。
It’s getting worse and worse. 天气变得越来越冷了。
He became more and more popular. 他变得越来越受人欢迎了。
3.The +比较级, the +比较级 表示: 越…, 越…
The more trees we plant, the better the environment will be.
5. the+形容词比较级+of the two+…表示“是两者中较…的”My brother is the taller of the two boys. 6.同级比较：as+形容词副词原级+as... 否定句为 not as (so)...as...
如:Mr. Green is as old as Mr. Brown. 格林先生和布朗先生年龄一样大。
Mr. Green is not as (so) old as Mr. Brown. 格林先生和布朗先生的年龄不一样大。
=Mr Brown is older than Mr Green (这个句型可与用 than 的句型转换)
㈢ 最高级的用法
形容词的最高级前用定冠词 the,句中有表范围的 in/of 短语;副词最高级 the 可省略。
(注:最高级前有物主代词,名词所有格,指示代词时不用 the)。 如:
Tom is the tallest in his class. He is the shortest of all. I jump (the) farthest in my class.
He is my best friend. (不用 the )
Which / Who is + the+最高级, A, B or C “用于三者以上的比较” Which season do you like (the) best, spring, summer or autumn
one of the+形容词最高级+复数名词 表示“…是…中最…之一”。
Beijing is one of the largest cities in China. 北京是中国最大城市之一。
the+序数词+形容词最高级 The Yellow River is the second longest river in China.
比较级和最高级的转换 Wuhan is the biggest city in Hubei.
=Wuhan is bigger than any other city in Hubei.=Wuhan is bigger than the other cities in Hubei.
Wuhan is bigger than any city / all the cities in Guangdong. (武汉不在广东范围内)
㈣注意:
形容词比较级前可用 much, even, still, far, a bit, a little, a lot 等来修饰。
This city is much more beautiful than before. She’s a little more outgoing than me.
在进行比较时,一定要注意比较对象要一致。His hair is longer than his father’s.
常常用 that, those 来代替前面出现过的名词, 以避免重复。
The weather in Beijing is colder than that in Guangzhou.
The words in Unit 15 are a little more difficult than those in Unit 14.

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