人教版（2019）必修 第一册Welcome unit句式 1 课件(共19张PPT)

(共19张PPT)
Welcome Unit
sentence pattern
learning aims:
1) To learn these sentences pattern usage: What if... / find+宾语+宾补.\with 复合结构
2) To use these sentences pattern freely.
Think and study independently(10')
1) To read the last sentence in the first second paragraph on p4 and the underlined sentences on p10
2) To think about What if... / find+宾语+宾补.\with 复合结构
3) To find the key and difficult points.
4) To find the points you don't understand.
Self-learning guidance（3’）:
1. learn the first “观察思考”and”探究总结’ in your exercise book on page 8
2. conclude its usage
3. do the “应用实践”
(1) What if no one talks to me
What if ，意思是“要是......会怎么样呢，假若......怎么办”
What if 后的句子可用陈述语气（用一般现在时），也可用虚拟语气（用一般过去时或“should+动词原形）
(1)What if it rains when we can't find shelter
假如下起雨来,我们又没处避雨可怎么办 (提出假设,用于陈述语气)
(2)What if you join us for lunch
你同我们一起吃午饭怎么样 (提出邀请或建议,用于陈述语气)
(3)What if I should fall sick and not be able to work
万一我生病不能工作的话怎么办 (提出假设,用于虚拟语气)
【活学活用】
① _____________________________that you've lost her book
如果她发现你把她的书弄丢了怎么办
What if she finds out
② What if we ____________________________________for a change
我们改变一下做法,这次待在家里,怎么样
stayed/should stay at home
3.What if I fain in the driving test again
4.What if there is a wonderful football match on this Saturday night
(2) I found most of my classmates and teachers friendly and helpful.
此处 found most of my classmates and teachers friendly and helpful 为 “find+ +宾补” 结构
1）能够充当宾语的有名词或代词。宾语补足语主要是对宾语进行补充说明，说明宾语的身份、特征或状态等可用adj, adv, n, 介词短语，to do、doing 、done
eg. We turned around and found the little girl struggling in the lake, crying for help.
（2）find 复合结构的常见形式：
Find\+宾语+宾补
形容词/副词
名词/ 介词短语
现在分词 （表示主动、正在进行的动作）
过去分词 （表示被动、已经完成的动作）
eg. When he woke up, he found himself lying in the street.
（3）当不定式（或从句）作find的宾语时，通常用it作形式宾语，将真正的宾语放在宾补之后，即构成“ find + it + adj. / n. + to do sth / that ” 从句，表示“发现/ 认为做某事......”
eg. I find it amazing that they're still together.
形容词/副词
名词/ 介词短语
现在分词 （表示主动、正在进行的动作）
【活学活用】
① On arriving at the station, he found his wife ____________(wait) to meet him.
waiting
② Lucy finds Bob very ___________(honesty).
honest
③ My neighbour found her front door ___________(break) into and something __________(steal) when she came back from shopping.
broken
stolen
It was wise to use small cards
with the words written on them
with 的复合结构
With +宾语+doing(宾语主动做、正在做)
+done（宾语被。。，已完成）
+to do（宾语主动作。动作未发生）
+adj（状态）
+adv（状态）
+介词短语（状态）
summary
What if 要是......会怎么样呢
What about... /How about... ......怎么样 ？
Why not do... 为什么不......？
How come... ......怎么发生的？
find + 宾语+ 宾补
过去分词 （表示被动、已经完成的动作）
形容词/副词
名词/ 介词短语
现在分词 （表示主动、正在进行的动作）
变式训练
With the floor ______(湿的), I had to stay outside.
With the design________( revise),she felt less anxious.
With so many notes _______( revise), I won’t go to see the film tonight.
With time______( go) by, the woman gradually forgot that accident.
wet
revised
to revise
going
test
要是......会怎么样呢
......怎么样 ？
Why not do...
......怎么发生的？
find + 宾语+ 宾补
with + 宾语+ 宾补（ ）
Homework：
1. review what you have learned
2. recited them and dictate them to hand in your group monitor
3.write your mistakes in relevant notebook
4. do all the rest exercises in class
5. do all the exercises in exercise book and if possible review next class
if
having
How come
Why not try doing
trapped
to learn
it my duty to help you
that it is my duty to help you