本试题 “用括号内所给单词的适当形式填空.1. In the last three years, they _____ (have) three major concerts.2. He _____ (go) to Nanjing, and he will be back ...” 主要考查您对形容词
不定式
现在完成时
等考点的理解。关于这些考点您可以点击下面的选项卡查看详细档案。
形容词的几个特殊用法：
most 同形容词连用而不用 the, 表示 " 极,很,非常, 十分"。
It's most dangerous to be here. 在这儿太危险。
I cannot do it, it's most difficult. 我干不了这件事，太难了。
"The+形容词比较级..., the+形容词比较级..." 表示 " 越... 就越..."。
The more you study, the more you know. 你学的越多, 就知道的越多。
The more I have, the more I want. 我越有就越想要有。
The more, the better. 越多越好。
" 形容词比较级 + and + 形容词比较级 ", 表示 " 越来越... "。
It's getting hotter and hotter. 天气越来越热了.
It's pity he is getting poorer and poorer. 真可怜他越来越穷了。
The computer is cheaper and cheaper. 计算机越来越便宜。
The more and more people focus on the meeting next year. 越来越多的人关注明年的会议。
主语+谓语(系动词)+as+形容词原形+as+从句。表示两者对比相同。
This box is as big as mine. 这个盒子和我的一样大。
This coat is as cheap as that one. 这件衣服同那件衣服一样便宜。
I study English as hard as my brother. 我同我兄弟一样学习努力。
the + 形容词 表示某种人。
He always helps the poor. 他经常帮助穷人。
I like to have a talk with the young. 我喜欢同年轻人谈话。
The rich sometimes complain their empty life. 富人有时抱怨他们空虚的生活。
The police led the old man across the street. 警察领老人横过马路。
以-ly结尾的形容词
1） 大部分形容词加-ly可构成副词。但 friendly，deadly，lovely，lonely，likely，lively，brotherly，仍为形容词。
改错：(错） She sang lovely. （错） He spoke to me very friendly.
（对） Her singing was lovely. （对） He spoke to me in a very friendly way.
2）有些以-ly 结尾的词既为形容词，也为副词。
daily，weekly，monthly，yearly，early
The Times is a daily paper.
The Times is published daily.
too+adj.+to句型 “太…而不能”
He is too young to go to school.
=He isn’t old enough to go to school.
=He is so young that he can’t go to school.
形容词的位置:
1.形容词一般放在名词前作定语
单个形容词修饰名词时，一般要放在名词的前面。它们的前面常常带有冠词、形容词性物主代词、指示代词、数词等。例如：
a red flower一朵红花
an interesting story一个有趣的故事
six blind men 六个盲人
my own house我自己的房子
如果有两个或两个以上的形容词修饰一个名词时，则由它们和被修饰的名词之间的密切程度而定，越密切的形容词越靠近名词。
如果几个形容词的密切程度差不多则按音节少的形容词放在前面，音节多的形容词放在后面。
2.当形容词所修饰的词是由some,any,every,no等构成的不定代词时，形容词必须置于名词之后。例如：
She has something new to tell me.她有一些新的情况告诉我。
I have nothing important to do today.今天我没有重要的工作要做。
Do you know anybody else here?这儿你还有认识的人吗？
3.形容词后面有介词短语或不定式短语时，形容词必须置于名词之后。例如：
It is a problem difficult to work out.这是一道难以解决的问题。
Edison is a student difficult to teach.爱迪生是个很难教的学生。
This is a kind of flowers easy to grow.这是一种易栽的花。
4.用 and 或 or 连接起来的两个形容词作定语时一般把它们放在被修饰的名词后面。起进一步解释的作用。例如：
All people,young or old,should be strict with themselves.
所有的人，无论老少，都应该严格要求自己。
We are building a new school, modern and super.
我们正在建一所现代化的高档次的新型学校。
All countries, rich and poor, should help one another. 所有的国家，无论穷富都应该互相帮助。
5.有少数形容词，如enough和possible，既可置于所修饰的名词前面也可以置于它所修饰的名词之后。例如：
Do you have enough time(time enough)to prepare?你有足够的时间做准备吗？
Maybe it will be a possible chance(chance possible)for you.或许它将成为一次可能的机遇。
6.有些形容词，置于名词之前与之后，含义不尽相同。例如：
the writer present 出席的作者
the present writer 现在的作者
7.表示长，宽，高，深，及年龄的形容词，应放在相应的名词之后。
This river is about 100 metres wide.
The building is more than 50 metres tall.
He is less than 40 years old.
8. enough修饰名词时，在名词前后都可以。
They said that they had enough food.= They said that they had food enough.
enough 修饰形容词和副词，位于其后。
He is old enough to join the army.
He isn’t old enough to go to school.
9.形容词else通常放在疑问代词，疑问副词或不定代词后
what/who/where/when/when else
something/anything/nothing…else
What else did you do?
Do you have anything else to say?
10.由两个或两个以上的词组成的形容词词组修饰名词时须放在名词之后。
This is the book easy to read.
这是一本容易读的书。
| 时态 | 主动形式 | 被动形式 |
| 一般式 | (not) to do | (not) to be done |
| 完成式 | (not) to have done | (not) to have been done |
| 进行式 | (not) to be doing | |
| 完成进行式 | (not) to have been doing |
现在完成时的用法：
1.表示动作发生在过去某个不确定的时间，但对现在留下了某种影响和结果。常被just、already、yet 等副词修饰。如：
-Have you had lunch yet?
-Yes,I have. I've just had it.
2.表示从过去某一时刻开始一直持续到现在的动作或状态。这个动作可能刚停止，可能仍然在进行。
常带有for和since等表示一段时间的状语。如：
He has taught here since 1981
他自1981年就在这儿教书。（可能还要继续教）
I have't seen her for four years.
我有四年没见到她了。
3.表示说话前发生过一次或多次的动作，现在成为一种经验，一般译为汉语“过”。
常与twice,ever,never,three times等时间状语。 如：
I have been to Beijing twice.我去过北京
4. 现在完成时还往往可以同包括现在时间在内的时间状语连用，如：
now,up to these few days/weeks/months/years,this morning/week/month/year,just,today,up to present,so far等：
Peter has written six papers so far.
Man has now learned to release energy from the nucleus of the atom.
There has been too much rain in San Francisco this year.
The friendly relations and cooperation between our two countries have been enhanced in the past few years.
Up to the present everything has been successful.
5.现在完成时往往同表示不确定的过去时间状语连用，如：
already（肯定），yet（否定，疑问），just,before,recently,still,lately,never等：
He has already obtained a scholarship.
I haven't seen much of him recently (lately).
We have seen that film before.
Have they found the missing child yet?
6.现在完成时的"完成用法"
现在完成时的"完成用法"指的是动作发生在过去某一时刻并已结束，但该动作对现在产生了影响，与现在情况具有因果关系。
例如：
He has turned off the light.他已把灯关了。（动作结束于过去，但说明的是现在的情况--灯现在不亮了。）
现在完成时"完成用法"的特点是动作不延续，因此：
该时态只能与表示不定的过去时间状语（如：already，yet，before，recently等）、频度时间状语（如：never，ever，once等）、包括现在时刻在内的时间状语（如：this morning / month /year...，today等）连用。
例如：Have you found your pen yet？你已找到你的钢笔了吗？
7.现在完成时的"未完成用法"
现在完成时的"未完成用法"指的是动作开始于过去某一时刻，一直延续到现在，或可能还要继续下去。
例如：
He has lived here since 1978.自从1978年以来，他一直住在这儿。
（动作起始于1978年，一直住到现在，可能还要继续住下去。）
I have been in the army for more than 5 years.我在部队已经呆了五年多了。
（动作开始于5年前，一直延续至今，有可能还要继续下去。）
此种用法的句中常需一个表示一段时间的状语（由since或for引导），或表示与现在时刻相连的时间状语（如：up to now，so far）等。
例如：
I have heard nothing from him up to now.到目前为止我没有他的任何消息。
注意：现在完成时的未完成用法只适用于延续性动词，不可用于终止性动词，即瞬间完成或延续时间很短的动词。
如：come，go，arrive，leave，join，become，die等。
8.一段时间+has passed+since从句
主语＋have / has been＋since短语
例如：He has been in the League for three years.
或It is three years since he joined the League. 他入团已三年了
9. 现在完成时常和短语 "up to now /till now","so far" （意思是从过去某一确定的时间一直延续到现在)连用。
Up to/till now he's read many story books. 至今他已读过好多故事书。
I've been to New York three times so far. 至今我已到纽约去过三次。
has gone (to),has been (to),has been (in) 的区别
has gone to：去了没回
has been to ：去过
has been in：呆了很久
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