精品课件牛津8B Unit3 grammar1 PPT课件.ppt

文档介绍：Period Five
Grammar One
floppy disk
keyboard
printer
mouse
programs
hard disk
Can you remember what they are?
What do we use it for?
We use it for storing information.
It is used for storing information.
What do we use it for?
We use it to type
It is used to type.
What do we use it to do ?
We use it to put the words and pictures onto paper.
It is used to put the words and pictures onto paper.
What do we use it to do ?
We move it with our hands to move the cursor
on the screen.
It is used to move the cursor on the screen.
What do we use it to do ?
We use it to control puter.
It is used to control puter.
What do we use it to do ?
We use it to store information.
It is used to store information.
被动语态
结构
一般现在时
am/is/are+动词的过去分词
一般过去时
was/were+动词的过去分词
主动语态和被动语态的转换:
主:
被:
I
learn
English
English
is learned
me
+
+
+
+
by
The orange is very delicious.
____ it _______(eat) by you
every day?
Is
eaten