必修二unit2语法

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A boxer has been beaten down.
the Structure is
be+及物动词的过去分词
(be+V.P.P)
被动语态的结构: 被动语态由“助动词be+及物动词的过去 分词”构成,助动词be有人称、数的变 化,其变化规则与be作为连系动词时一样。 如:The desk is made of wood.
The bank was robbed yesterday.
man-made satellite, send up, space, last year A man-made satellite was sent up into space last year.
computer, use, class
A computer is used in our class every day.
A frog _w_a_s_c_a_u_gh_t__ ( catch) by a big bird just now.
Past
was/were +done
bank, rob yesterday
4)以重读闭音节结尾,末尾只有一个辅音字母, 先双写该辅音字母,再加-ed
ຫໍສະໝຸດ Baidu
watch---watched practice---practiced
study---studied
stop---stopped
2.不规则动词的过去分词:
am
have
do done
is been
had write written
Welcome
大师兄!师傅被妖怪抓走了!
二师兄!师傅被妖怪 抓走了!
大师兄!二师兄被妖怪 抓走了!
大师兄!师傅和二师 兄都被妖怪抓走了
师傅被妖怪抓走

He was caught by a monster.
Passive Voice 被动语态
How to describe the pictures
三、什么是主动语态?什么是被动语态? 四、被动语态的构成:(八种时态和情态动词的被 动语态)
英语动词有两种语态: 主动语态 (the Active Voice) 被动语态(the Passive Voice)
A. 主动语态表示主语是动作的执行者。
We planted the tree.
B. 被动语态表示主语是动作的承受者。
Lead in
Rockets a_r_e__u_s_e_d_ (use) to send up satellites.
The man _i_s_c_a_ll_ed___(call) “ Good husband”.
火箭发射图
The rocket _is__b_e_i_n_g__s_e_n_t__u_p (send up) into space.
Rockets are used to send up satellites. The man is called “ Good husband”. The rocket is being sent up into space. Few places will be left for the tigers to live.
are
has
go gone
一. 何时使用被动语态
1. 不知道谁是动作的执行者或没有必要
Paper is made from wood. He was wounded in the fight. 2. 需要强调动作的承受者时
Books and newspapers in the reading room mustn't be taken away. He was awarded first prize in that contest.
砍伐图
Trees _a_r_e__b_e_i_n_g__c_u_t__ (cut) down. Few places __w__il_l_b_e__l_e_f_t___ (leave) for the tigers to live.
拳击图 A boxer _h_a__s_b__e_e_n__b_e_a_t_e_n_(beat) down.
3为了使语气婉转,避免提及自己或对方而使 用被动语 态,或由于修饰的需要,使用被动 语态,使句子得以更好的安排。
The construction of the new lab must be completed by the end of next month. Electricity is used to run machines.
The river was seriously polluted.
Some trees have been cut down.
What is the Passive Voice?
被动语态 一、什么是语态?
语态是英语动词的一种表现形式,用来说明主语和 谓语动词之间的关系。 二、语态的种类:
(1)主动语态 (2)被动语态
The desks are made of wood.
He is asked a question by the teacher.
I was given a nice present by my friend
yesterday.
1.规则动词的过去分词:
1)一般情况在动词原形后加-ed
2)以不发音e结尾的加-d 3)以辅音加y结尾的,去y变i加-ed
The tree was planted by us.
1.He took good care of his little brother yesterday. 2.We cleaned our classroom just now. 3.They used this room for resting. 4.We were asked to help them . 5.He was given some books. 6.The door was locked by monitor.
The motorbike is ridden to his factory (by him) every day.
Present
am / is are +done
We call the snowman Mr Strong.
The snowman is called Mr Strong (by us).
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