用is half of造句
half of的用法
详细的接什么词，用法什么的half of + 名词
Half of the orange was rotten.
这个橙子已经一半烂掉了。
Half of the oranges in the box were rotten.
盒子里已经有一半橙子烂掉了。
half of + 代词
Half of them are from Shanghai.
他们中一半人来自上海。
还有 如：
half of four 四的一半 half of a dozen 半打
Half of the orange was rotten.
这个橙子已经一半烂掉了。
Half of the oranges in the box were rotten.
盒子里已经有一半橙子烂掉了。
half of + 代词
Half of them are from Shanghai.
他们中一半人来自上海。
还有 如：
half of four 四的一半 half of a dozen 半打
英语造句，根据题意造句。
1.单数主语:A boy is coming towards us.
单个动词不定式、动名词短语及句子做主语:
To see is to believe.
Seeing is believing.
That he won the race is true.
2. 复数主语:The students have finished their homework.
用AND或BOTH"""AND连接的动词不定式短语、动词短语及主语从句做主语:
Both listening and speaking are important ways of learning English.
3.Jim, together with Lucy, has gone to America.
4.Neither of the girls likes green.
5. The writer and lawyer is my brother.（这个作家兼律师是我的哥哥。）
6.（抱歉，这题我没看懂。）
7. A lot of visitors come to Jiuzhaigou every year.
A lot of water is polluted in this area.
单个动词不定式、动名词短语及句子做主语:
To see is to believe.
Seeing is believing.
That he won the race is true.
2. 复数主语:The students have finished their homework.
用AND或BOTH"""AND连接的动词不定式短语、动词短语及主语从句做主语:
Both listening and speaking are important ways of learning English.
3.Jim, together with Lucy, has gone to America.
4.Neither of the girls likes green.
5. The writer and lawyer is my brother.（这个作家兼律师是我的哥哥。）
6.（抱歉，这题我没看懂。）
7. A lot of visitors come to Jiuzhaigou every year.
A lot of water is polluted in this area.
half与half of, 什么时候用half,什么时候用half of?
3.half的用法与all和both相同,既可用作形容词（或称限定词）修饰名词,如 half the year,half the work,half the fruit,亦可用作不定代词,受of短语修饰,如：half of the work,half of the year,half of the fruit.这两种表达形式在意义上没有明显的区别.例如：
① Half (of) the girls are foreigners.这些姑娘有一半是外国人.
② Half (of) the fruit was bad.水果有一半是坏的.
③ Half(of) my friends live in this city.我的朋友有一半住在这个城市.
④ In 1620,about half(of) the USA was covered by forests.在1620年,美国一半的土地被森林覆盖着.
注意：1) half +名词或half of+名词作主语时,谓语动词的单、复数形式由所接名词的单复数形式来决定,名词是中心词（见上例句）.
2） half,half of后面所接的名词前,必须有表示限定含义的冠词、指示代词、物主代词等等（见上例句）.
3) 如果是人称代词,则只能用half of,而且人称代词要用宾格.例如：
① Only half of them came last Sunday.上星期天他们只有一半人来.（不能说：Only half them...或Only half they...)
② Half of you are wrong.你们一半人都错了.（不能说：Half you...)
③ They invited half of us.他们邀请了我们一半人.（不能说：.half us.）
4）在谈论距离、长度和数量时,只能用half,一般不用half of.例如：
①His old house is half a mile down the road.他的旧居在沿着这条路往下走半英里的地方.
②Mr Smith drank half a bottle of whisky last night.史密斯先生昨晚喝了半瓶威士忌酒.
5） half作代词时,后面不跟名词,前面也不使用定冠词.例如：
① We only need half.我们只需要一半.（不能说：We only need the half.）
② I gave her half,and kept half for myself.我给了她一半,自己留了一半.（不能说：I gave the half,...）
4.half也可用作副词.例如：
① I half agree with you.我不完全同意你的意见.
② This meal is only half-cooked.这顿饭做得只有半熟.
5.副词half和not连用,在口语中较为常见.not half 是反语,意为一点也不；非常地；.极了等.例如：
① It is not half bad.(=It is very good.) 很好（很不错）!
② The story is not half interesting.这个故事很有趣.
③ -Do you like Chinese tea?你喜欢喝中国茶吗?
-Oh,not//www.souquanme.com half!噢,喜欢极了!
6.在一本《高中英语解题题典》中有下面一道题（答案是B）：
He cut the cake_________.
A.in halves B.in half
C.into halves D.into half
而在另一本《中学英语错解辨析辞典》中给出了下面这道题（答案是C）：
The arrow split the apple________.
A.in halfs B.into half
C.into halves D.into halves
① Half (of) the girls are foreigners.这些姑娘有一半是外国人.
② Half (of) the fruit was bad.水果有一半是坏的.
③ Half(of) my friends live in this city.我的朋友有一半住在这个城市.
④ In 1620,about half(of) the USA was covered by forests.在1620年,美国一半的土地被森林覆盖着.
注意：1) half +名词或half of+名词作主语时,谓语动词的单、复数形式由所接名词的单复数形式来决定,名词是中心词（见上例句）.
2） half,half of后面所接的名词前,必须有表示限定含义的冠词、指示代词、物主代词等等（见上例句）.
3) 如果是人称代词,则只能用half of,而且人称代词要用宾格.例如：
① Only half of them came last Sunday.上星期天他们只有一半人来.（不能说：Only half them...或Only half they...)
② Half of you are wrong.你们一半人都错了.（不能说：Half you...)
③ They invited half of us.他们邀请了我们一半人.（不能说：.half us.）
4）在谈论距离、长度和数量时,只能用half,一般不用half of.例如：
①His old house is half a mile down the road.他的旧居在沿着这条路往下走半英里的地方.
②Mr Smith drank half a bottle of whisky last night.史密斯先生昨晚喝了半瓶威士忌酒.
5） half作代词时,后面不跟名词,前面也不使用定冠词.例如：
① We only need half.我们只需要一半.（不能说：We only need the half.）
② I gave her half,and kept half for myself.我给了她一半,自己留了一半.（不能说：I gave the half,...）
4.half也可用作副词.例如：
① I half agree with you.我不完全同意你的意见.
② This meal is only half-cooked.这顿饭做得只有半熟.
5.副词half和not连用,在口语中较为常见.not half 是反语,意为一点也不；非常地；.极了等.例如：
① It is not half bad.(=It is very good.) 很好（很不错）!
② The story is not half interesting.这个故事很有趣.
③ -Do you like Chinese tea?你喜欢喝中国茶吗?
-Oh,not//www.souquanme.com half!噢,喜欢极了!
6.在一本《高中英语解题题典》中有下面一道题（答案是B）：
He cut the cake_________.
A.in halves B.in half
C.into halves D.into half
而在另一本《中学英语错解辨析辞典》中给出了下面这道题（答案是C）：
The arrow split the apple________.
A.in halfs B.into half
C.into halves D.into halves
考点“主谓一致”求例句。
1.人称、数的一致。 [2例句]2.不可数名词、不定代词表示抽象概念作主语时，谓语动词用单数。[1例句]3.主语为people , police,时，谓语动词用复数。[1例句]4.集体名词family, class, team, group,等看作整体时，谓语动词用单数；看作每一个成员时，谓语动词用复数。[2例句]www.souquanme.com5.与and连接的并列主语表示不同的人和物时，谓语动词用复数，表示一个概念时则用单数。[2例句]6.主语是单数，后跟with，as well as， but ，except等介词短语时，谓语动词用单数。[1例句]7.金钱、距离、时间、重量、长度等复数名词做主语，通常应当作整体看，谓语动词用单数。[1例句]8.tousers、shoes、glasses等作主语，谓语动词用复数。[1例句]9.most of、 half of、 some of、 part of 、a lot of修饰名（代）词作主语时，谓语动词与of后面的名词或代词的数保持一致。[2例句]10.news， physics等词貌似复数，实为单数，作主语时，谓语动词用单数。[1例句]11.either… or… 与neither… nor，not only... but also...作主语时，谓语动词与离它们最近的名词或代词在人称和数上保持一致。[2例句]12there be 的谓语动词与离它们最近的名词或代词在人称和数上保持一致。[2例句]生死攸关，例句急用，先来先得[好者追加加50分]。主谓一致 主谓一致
主谓一致是指：
1） 语法形式上要一致，即单复数形式与谓语要一致。
2） 意义上要一致，即主语意义上的单复数要与谓语的单复数形式一致。
3） 就近原则，即谓语动词的单复形式取决于最靠近它的词语，
一般来说，不可数名词用动词单数，可数名词复数用动词复数。
There is much water in the thermos.
但当不可数名词前有表示数量的复数名词时，谓语动词用复数形式。
e.g. Ten thousand tons of coal were produced last year.
Large quantities of water are needed.
In western www.souquanme.comcountries, mountains of rubbish are thrown away each day.
1 并列结构作主语时谓语用复数
Reading and writing are very important.
注意： 当主语由and连结时，如果它表示一个单一的概念，即指同一人或同一物时，谓语动词用单数，and 此时连接的两个词前只有一个冠词。
The iron and steel industry is very important to our life.
典型例题
The League secretary and monitor ___ asked to make a speech at the meeting.
A. is B. was C. are D. were
答案B. 注： 先从时态上考虑。这是过去发生的事情应用过去时，先排除A.，C.。本题易误选D，因为The League secretary www.souquanme.comand monitor 好像是两个人，但仔细辨别， monitor 前没有the，在英语中，当一人兼数职时只在第一个职务前加定冠词。后面的职务用and 相连。这样本题主语为一个人，所以应选B。
2 主谓一致中的就近原则
1) 当there be 句型的主语是一系列事物时，谓语应与最邻近的主语保持一致。
There is a pen, a knife and several books on the desk..
There are twenty boy-students and twenty-three girl-students in the class.
2）当either… or… 与neither… nor， 连接两个主语时，谓语动词与最邻近的主语保持一致。 如果句子是由here, there引导，而主语又不止一个时，谓语通常也和最邻近的主语一致。 Either you or she is to go.
Here is a pen, a few envelopes and some paper for you.
3 谓语动词与前面的主语一致
当主语后面跟有with, together with, like, except, but, no less t搜趣网han, as well as 等词引起的短语时，谓语动词与前面的主语一致。
The teacher together with some students is visiting the factory.
He as well as I wants to go boating.
4 谓语需用单数
1） 代词each和由every, some, no, any等构成的复合代词作主语，或主语中含有each, every, 谓语需用单数。
Each of us has a tape-recorder.
There is something wrong with my watch.
2） 当主语是一本书或一条格言时，谓语动词常用单数。
The Arabian Night is a book known to lovers of English.
《天方夜谭》是英语爱好者熟悉的一本好书。
3） 表示金钱，时间，价格或度量衡的复合名词作主语 时，通常把这些名词看作一个整体，谓语一般用单数。(用复数也可，意思不变）。
Three weeks was allowed for making the necessary preparations.
Ten yuan is enough.
5 指代意义决定谓语的单复数
1） 在代词what, which, who, none, some, any, more, most, all等词的单复数由其指代的词的单复数决定。
All is right. (一切顺利。)
All are present. (所有人都到齐了。)
2） 集体名词作主语时，谓语的数要根据主语的意思来决定。如family, audience, crew, crowd, class, company, committee等词后用复数形式时，意为这个集体中的各个成员，用单数时表示该个集体。
His family isn't very large. 他家不是一个大家庭。
His family are music lovers. 他的家人都是音乐爱好者。
但集合名词people, police, cattle, poultry等在任何情况下都用复数形式。
Are there any police around?
3）有些名词，如variety, number, population, proportion, majority 等有时看作单数，有时看作复数。
A number of +名词复数+复数动词。
The number of +名词复数+单数动词。
A number of books have lent out.
The majority of the students like English.
population的谓语动词形式与表语一致，一般来说与分数，百分数连用时，谓语动词用复数。
6 与后接名词或代词保持一致
1） 用half of, part of, most of, a portion of 等词引起主语时，动词通常与of后面的名词，代词保持一致。
Most of his money is spent on books.
Most of the students are taking an active part in sports.
2） 在一些短语，如 many a 或 more than one 所修饰的词作主语时，谓语动词多用单数形式。但由more than… of 作主语时，动词应与其后的名词或代词保持一致。
Many a person has read the novel. 许多人都读过这本书。
More than 60 percent of the students are from the city.百分之六十多的学生都来自这个城市
主谓一致是指：
1） 语法形式上要一致，即单复数形式与谓语要一致。
2） 意义上要一致，即主语意义上的单复数要与谓语的单复数形式一致。
3） 就近原则，即谓语动词的单复形式取决于最靠近它的词语，
一般来说，不可数名词用动词单数，可数名词复数用动词复数。
There is much water in the thermos.
但当不可数名词前有表示数量的复数名词时，谓语动词用复数形式。
e.g. Ten thousand tons of coal were produced last year.
Large quantities of water are needed.
In western www.souquanme.comcountries, mountains of rubbish are thrown away each day.
1 并列结构作主语时谓语用复数
Reading and writing are very important.
注意： 当主语由and连结时，如果它表示一个单一的概念，即指同一人或同一物时，谓语动词用单数，and 此时连接的两个词前只有一个冠词。
The iron and steel industry is very important to our life.
典型例题
The League secretary and monitor ___ asked to make a speech at the meeting.
A. is B. was C. are D. were
答案B. 注： 先从时态上考虑。这是过去发生的事情应用过去时，先排除A.，C.。本题易误选D，因为The League secretary www.souquanme.comand monitor 好像是两个人，但仔细辨别， monitor 前没有the，在英语中，当一人兼数职时只在第一个职务前加定冠词。后面的职务用and 相连。这样本题主语为一个人，所以应选B。
2 主谓一致中的就近原则
1) 当there be 句型的主语是一系列事物时，谓语应与最邻近的主语保持一致。
There is a pen, a knife and several books on the desk..
There are twenty boy-students and twenty-three girl-students in the class.
2）当either… or… 与neither… nor， 连接两个主语时，谓语动词与最邻近的主语保持一致。 如果句子是由here, there引导，而主语又不止一个时，谓语通常也和最邻近的主语一致。 Either you or she is to go.
Here is a pen, a few envelopes and some paper for you.
3 谓语动词与前面的主语一致
当主语后面跟有with, together with, like, except, but, no less t搜趣网han, as well as 等词引起的短语时，谓语动词与前面的主语一致。
The teacher together with some students is visiting the factory.
He as well as I wants to go boating.
4 谓语需用单数
1） 代词each和由every, some, no, any等构成的复合代词作主语，或主语中含有each, every, 谓语需用单数。
Each of us has a tape-recorder.
There is something wrong with my watch.
2） 当主语是一本书或一条格言时，谓语动词常用单数。
The Arabian Night is a book known to lovers of English.
《天方夜谭》是英语爱好者熟悉的一本好书。
3） 表示金钱，时间，价格或度量衡的复合名词作主语 时，通常把这些名词看作一个整体，谓语一般用单数。(用复数也可，意思不变）。
Three weeks was allowed for making the necessary preparations.
Ten yuan is enough.
5 指代意义决定谓语的单复数
1） 在代词what, which, who, none, some, any, more, most, all等词的单复数由其指代的词的单复数决定。
All is right. (一切顺利。)
All are present. (所有人都到齐了。)
2） 集体名词作主语时，谓语的数要根据主语的意思来决定。如family, audience, crew, crowd, class, company, committee等词后用复数形式时，意为这个集体中的各个成员，用单数时表示该个集体。
His family isn't very large. 他家不是一个大家庭。
His family are music lovers. 他的家人都是音乐爱好者。
但集合名词people, police, cattle, poultry等在任何情况下都用复数形式。
Are there any police around?
3）有些名词，如variety, number, population, proportion, majority 等有时看作单数，有时看作复数。
A number of +名词复数+复数动词。
The number of +名词复数+单数动词。
A number of books have lent out.
The majority of the students like English.
population的谓语动词形式与表语一致，一般来说与分数，百分数连用时，谓语动词用复数。
6 与后接名词或代词保持一致
1） 用half of, part of, most of, a portion of 等词引起主语时，动词通常与of后面的名词，代词保持一致。
Most of his money is spent on books.
Most of the students are taking an active part in sports.
2） 在一些短语，如 many a 或 more than one 所修饰的词作主语时，谓语动词多用单数形式。但由more than… of 作主语时，动词应与其后的名词或代词保持一致。
Many a person has read the novel. 许多人都读过这本书。
More than 60 percent of the students are from the city.百分之六十多的学生都来自这个城市
