人教版英语八年级下册 Unit10 I've had this bike for three years-Section A 3课件(共19张PPT)

(共20张PPT)
Unit10
I've had this bike for three years.
Section A 3
Grammar focus – 4c
1. How long have you had that bike over there
I’ve had it for three years.
2. How long has his son owned the train and railway set
He’s owned it since his fourth birthday.
3. Have you ever played football
Yes, I did when I was little, but I haven’t played for
a while now.
Grammar focus
表示从过去已经开始持续到现在的动作或状态，可以和表示“从过去某一时刻延续到现在的一段时间状语”连用，如“for+时间段”、“since+过去时间点”、“since+过去时的从句”、“since+一段时间+ago”。且for与since引导的时间状语可以相互转换。
Present Perfect Tense
现在完成时
e.g.
My uncle has worked at this factory for ten years.
= My uncle has worked at this factory since ten year ago.
I’ve lived here since 1990．
自从1990年以来我就住在这里。
I haven’t seen him for three years.
我三年没有看见他了。
She’s been at this school since five years ago.
自从五年前以来她就在这个学校。
含有for，since的现在完成时的用法歌诀: 过去的动作或状态，一直持续到现在，for、since 把时间带。
歌诀
此种用法中表示持续性的动作或状态的
动词必须是延续性动词(否定句除外)。
1. 这本书我买了5年了。
I have bought the book for five years. ( )
I’ve had the book for five years. ( )
×
√
句中动词的特点
2. 你哥哥参军多长时间了？
How long has your brother joined the army ( )
How long has your brother been in the army/been a soldier ( )
×
√
1. 转换为相应的延续性动词，用于现在完成时。
borrow — keep buy — have
put on — wear
catch a cold — have a cold
get to know — know
get to sleep — sleep
非延续性动词和延续性动词之间的转换
2. 转化为“be + 形容词/副词/介词/名词”
begin / start — be on
go out — be out
close — be closed
open — be open
get to/arrive/reach — be (in)
die — be dead
leave — be away
finish — be over
fall sleep — be asleep
join — be in/be a member of
become — be
make friends — be friends
come/go/ — be + 相应的介词短语
1. She _______ this book for nearly three weeks.
A. has borrowed B. has lent
C. has bought D. has kept
2. Ten years has passed ____ the CCTV event People Who Moved China took place in 2002.
A. when B. while C. before D. since
Exercises
D
D
4a Rewrite the sentences using for or since.
Jim is in Japan. He arrived there three days ago.
2. They are very hungry. Their last meal was ten hours ago.
They have been hungry for ten hours/since ten hours ago.
Jim has been in Japan for three years.
3. I have a camera. I bought it in 2009.
4. I know Anna. I first met her three years ago.
5. Linda is ill. She became ill on Monday.
I have had a camera since 2009.
I have known Ann for three years/
since three years ago.
Linda has been ill since Monday.
4b Fill in the blanks with the correct forms of the verbs in brackets.
I _______________ (never be) to the water park before. I want to _____ (go) next month before the weather gets too cold.
2. They _________________ (never own) any pets, but they ___________ (always want) to have a dog.
have never been
go
have never owned
always want
3. We _________ (have) a piano since last November. We _______ (buy) it from the Li family when they moved to the US last year.
4. Cathy and Amy ____________ (not be) back to their hometown for two years. They ______ (miss) their hometown a lot and hope to visit the place next year.
have had
bought
haven’t been
miss
5. This museum _________ (be) here for over 20 years. It _____ (be) one of the oldest buildings in this small town.　　
has been
is
4c Fill in the questions and ask two students. Then complete the chart.
1. Do you have a(n) _______
How long have you had it
2. Do you own a(n)_______
How long have you owned it
Things How long
Tony favorite book basketball for two years since he was 10 years old
student1
Student2