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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,most
1) 不规则的比较级:
good/well: better,best
many/much:more,most
bad:worse,worst
little:less,least
far:farther,farthest
further,furthest
old:older,oldest
elder,eldest
2) 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 rock
as brave as a lion as gentle as a lamb
as easy as ABC as white as a sheet
1. 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 girl was playing the piano and singing to herself softly. Suddenly there was a knock on the 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 far
20 per cent several times
1) 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。
2)一接到他寄来的礼物,我们就给他写了封感谢信。
3)—— 你昨天作啥了?
——我在读那本新出版的小说。
4)我去的时候你在干吗?屋里没人。
5)年轻人比年龄大的人更喜欢流行歌曲。
6)他过去习惯于晚起,但现在他已经习惯早起。
7)你的黑夜是我的白天,你快乐时我在思念。
8)他并不像你想象的那样笨。
9) 良言如雪花,来得越和缓,停留在心中越久,沁入心中也越深。
10)智慧贵于宝石。