Grammar 3 ：比较级和时态（1）1．比较级（degrees of comparison）形容词和副词有三种程度的比较：原级（positive）：tall，fast，beautiful比较级（comparative）：taller，faster，more beautiful最高级（superlative）：tallest，fastest，most beautiful单音节的形容词和副词各加-er，-est；两个或以上的加more，most1）不规则的比较级：good/well： better，bestmany/much：more，mostbad：worse，worstlittle：less，leastfar：farther，farthestfurther，furthestold：older，oldestelder，eldest2）其他形式的比较e．g． This poem is a little more difficult than that one.I think you are a lot more interesting than your sister.Lucy has made much greater progress this year than before.3)不同类型的状语可以放在比较级和最高级前，或者在as修饰的原级之前e．g． Lily is three years older than Helen.He is by far the fastest runner in the team.You are not half as intelligent as your brother.After we adopt the new method, there are only one-third as many mistakes as before.The newly-built power station costs 70 per cent less than the one built ten years ago.4) 常用的固定搭配e．g． as black as coal as firm as a rockas brave as a lion as gentle as a lambas easy as ABC as white as a sheet2．一般现在时（the present indefinite）表示习惯性动作；书信或报纸内容；戏剧等消遣和娱乐;即将发生的事情年或动作e．g．We often go on holiday in August every year.---What does the notice say?---It says, “No smoking.”When the curtain rises, she sits on the bed quietly.She reads everything she can get when possible.The plane leaves at 10, and we have enough time to get to the airport.3. 一般过去时（the past indefinite）表示过去的习惯；过去某个时间动作完成；过去某段时间动作延续并完成e．g． He always carried an umbrella wherever he went.I wrote a letter to my mother when I arrived at school.She worked in the company for five years.4. 过去进行时（the past continuous）表示过去某个时间动作正在进行；某动作发生时另一动作正在进行e．g． I was watching a football match at 11 yesterday morning.A wood fire was burning on the hearth, and a cat was sleeping in front of it. A girlwas playing the piano and singing to herself softly. Suddenly there was a knock onthe door. The girl stopped playing and the cat woke up.Exercises.1. a. Fill in the blanks with the correct form of the given words.Do you believe that boys do ___ (well) in science than girls? Does it seem to you that girls have a ___ (good) vocabulary than boys? In your opinion, are boys ___ (good) at building things? If your answer to each of these questions is “Yes,” you are right, according to an article in Current Science.It is known that bones, muscles and nerves develop ___ (fast) in baby girls, and they talk at an ___ (early) age than boys do. When they start school, girls are physically ___ (ready) to remember facts, to spell and to read. So girls always do ___ (good) than boys in elementary school.b. Put suitable adverbials in the following sentences. Each can be used only once.a bit a little a great deal a lot much twice half by far20 per cent several times1) Trains have become___ safer and more comfortable.2) The coffee you get in this cafeteria is not___ as good as the coffee my mother makes.3) This is ___ the oldest theatre in London.4) Riding a horse is ___ more difficult than riding a bicycle.5) It is ___ nicer to go with someone than to go alone.6) He has ___ more time than me.7) His wife earns ___ more money than him.8) I have made ___ more mistakes in my essay than you.9) The income of the peasants next year will be ___ higher than this nyear.10) The new method is ___ more efficient than the traditional one.2．Fill in the blanks with the correct form of the given verbs.1)It seldom ___ (rain) here in spring.2)Nobody ___ (take) this dangerous road in the evening.3)---Is it true the sun ___ (rise) in the east and ___ (set) in the west?---Well, that’s what everybody ___ (say). Actually the sun neither ___ (rise) nor ___ (set). The earth ___ (rotate) from west to east once every 24 hours, and that ___ (make) it seem as if the sun ___ (come up) in the morning and ___ (go down) in the evening.3. Translation.1) 我正睡得香，突然被很大的响声惊醒了。
Grammar的语法小结
Grammar的语法小结
动词不定式作定语、状语、表语
1.动词不定式作定语。
不定式常可用于修饰人，也可以用来修饰物，或跟在不定式后作定语
May is the first student to arrive. 阿美是第一个到的学生。
I have a lot of things to do today. 今天我有很多事情要做。
Would you like something to drink? 你想喝点什么?
It's time to go to bed. 该睡觉了。
2.动词不定式作状语。
不定式作状语的情况很多，主要有be+形容词+不定式
She was eager to see her friends. 她急于见她的朋友们。
I am afraid to tell her. 我很怕告诉她。
I am not ready to go back. 我还不准备回去。
3.动词不定式作表语。
不定式位于系动词如be之后用来说明主语的'身份、特征、属性或状态
Her ambition was to be a star. 她的志向是当明星。
My task is to take care of my little brother. 我的任务是照顾弟弟。
【Grammar的语法小结】。
七年级下册英语grammar知识点英语语法是英语学习的重要组成部分，尤其对于七年级的学生来说，掌握好Grammar知识点对于日常英语的学习和阅读、写作能力的提升非常有帮助。
下面我们就来一起学习七年级下册英语Grammar知识点吧。
1. 名词（Nouns）名词是英语语法的基本组成部分之一，主要分为可数名词（countable nouns）和不可数名词（uncountable nouns）两种。
可数名词指的是可以用数目来计算的物品，例如book，table，dog等。
而不可数名词则是指无法进行数目计算的物品，例如milk，water，rice等。
除此之外，名词还可以分为单数名词（singular nouns）和复数名词（plural nouns）。
单数名词只有一个，复数名词则表示有多个，例如book（单数）和books（复数）。
2. 代词（Pronouns）代词是指用来代替名词的词语，例如he，she，it等。
它们可以用来替代先前出现的名词，使语言表达更加简洁。
代词还可以分为主格代词（subject pronouns）和宾格代词（object pronouns）。
主格代词用于作为主语出现，例如I，you，he等；而宾格代词则出现在动词后面充当宾语，例如me，you，him等。
3. 形容词（Adjectives）形容词用来描述名词的性质和特征，如大小，颜色和形状等。
形容词通常用于名词的前面，例如big house，red apple等。
形容词还可以根据不同的级别进行比较。
一般来说，有比较级（comparative）和最高级（superlative）两种。
比较级表示两个或两个以上的人或物之间的比较，例如bigger，more beautiful等；而最高级则表示同类型中最高的一个，例如biggest，most beautiful等。
4. 动词（Verbs）动词是英语语法中最常用的组成部分之一，主要用于表达一个动作、一个状态或一个存在。
