英语人教版九年级全册Unit7 语法讲解及练习

把下列句子变成被动语态的句子；
1、They planted these trees on weekends .
These trees on weekends.
2、The workers built the bridge in 1968 built by the workers in 1968. 3、People invited Yao Ming to play basketball in The USA.
Yao Ming
to
basketball in the USA.
4、Lu Xun wrote the book. The book by Lu Xun.
一般将来时被动语态的构成：
Will be + 及物动词的过去分词 e.g: 1. Many flowers will be planted next year. 2. This girl will be taken to a safe place. 3. A new park _______ in our hometown next year. (build)
含情态动词的被动语态构成：
情态动词（can/may/must/should）+be+及物 动词过去分词 1、This bike can be repaired.
2、The old should be spoken to politely.
3、The classroom must be cleaned every day.
3、主动句的主语变为被动句的宾语，由by 引出， 当不强调动 作的执行者时，常省略。 e.g many people speak English.
English
is spoken
by many people.
一般现在时被动语态的构成： am/is/are+及物动词的过去分词
动词过去分词的构成规则（与动词过去式构成规 则一样）：
Wood is used for making tables.
Rice is grown in South China.
一般过去时被动语态的构成： was/were+及物动词的过去分词 e.g： 1、The bridge was built last year. 2、It was used in the old days. 3、The car was invented in 1885.
把下列主动句变被动句： 1、We should plant the trees around the lake. 2、We must repair the computer now .
3、Students should correct their mistakes .
4、We must water the trees well.
1、They speak English in Canada .(English….)
English is spoken in Canada.
2、People use wood for making tables. （wood….）
3、They make computers in the USA.（Computers…） 4、 They grow rice South （Rice…） Computers are in made inChina. the USA.
1、一般在动词原形末尾加-ed，looked played 2、结尾是e的动词加-d ， lived used 3、末尾只有一个辅音字母的重读闭音节词，先 双写 这个辅音字母，再加-ed， planned 4、结尾是“辅音字母+y”的动词，先变“y”为 “i” ， 再加-ed ， study---studied，carry--carried
Many trees are planted on both sides of the road.
3. 邮票是用来寄信的。
Stamps are used for sending letters.
4. 工作什么时候完成的。
When was the work finished?
1. The car was stolen yesterday. 一般疑问句：
（The Passive Voice)
.主动语态与被动语态：
英语动词有两种语态，即主动语态(The Active Voice)与被动语态（The Passive Voice)。 主动语态表示主语是动作的执行者;被动语态表示 主语是动作的承受者。 主动语态 e.g. 1.They make trains in Zhuzhou .
否定句：
特殊疑问句： 2.Silk is produced in Suzhou. 一般疑问句： 否定句：
特殊疑问句：
三、单项选择题：
( )1. Sweaters are used _______ keeping us warm.
A.of ( B.by C.for D.in
)2.Are these fridges made______? A.in China C.of China B. in Chinese D.from Chinese
(
)3.---Where are bananas _______? ---- _____ grown in South China.
翻译下列句子： 1.去年这里种植橘子。
2. 他经常受到老师的帮助。
3. 昨天晚上他的家庭作业做完了。
4.应该好好照顾妇女和儿童。
5.前天他掉到河里，但被救了。
6. 他经常被看见在操场上打篮球。
7.刚才允许他们拍照。
1. 盐产在哪儿？
Where is salt produced?
2. 马路两边种了许多树。
Trains are made in Zhuzhou. 2.The farmers grow rice every year.
wk.baidu.com
被动语态
主动语态
Rice is grown by the farmers every year. 被动语态
主动语态变被动语态的步骤： 1、主动语态的宾语变为被动语态的主语； 2、主动句的谓语动词变为被动结构；