Unit 8 Making a Difference Section A（4a-4d）课件 （新教材）英语人教版八年级下册（2024）

这是一份英语八年级下册（2024）Unit 8 Making a DifferenceSection A教学演示ppt课件，共21页。PPT课件主要包含了has lived，since，has caught，for，has shared，past，now，clause ，last month，a few days等内容，欢迎下载使用。
Learning bjectives
1. 通过观察和分析例句，梳理和归纳包含fr与 since的现在完成时的功能和意义。2. 在不同语境中准确使用包含fr与since的现在完 成时，注意动词形式转换。3. 区分延续性动词与非延续性动词，能完成常见 动词的转换。
通过本节课的学习，学生能够：
Watch and answer
1. What d yu think f the wman? 2. D yu have a similar experience t the wman?
Watch the vide and answer the questins.
She wuld like t share her fd with thers, s she is kind.
Yes, I d. I shared my lunch with my deskmate last
Watch the vide again and fill in the blanks.
Yung Han Xin __________(live) in pverty ______ his parents passed away.2. Every afternn he fishes by the riverbank, but he __________(catch) almst nthing ______weeks.3. She __________(share) her simple lunch with him ______ ten days.
·But ne f my friends has vlunteered here fr a lng time.·She has been a vlunteer at a nursing hme since last August.·I have been a vlunteer here fr a few mnths.·He has vlunteered here since his summer hlidays started.
Read and fill
Read the sentences and fill in the blanks.
present perfect
I have been a vlunteer here fr a few mnths.
cntinues until nw
I became a vlunteer a few mnths ag.
I am a vlunteer nw, and I might cntinue t d vlunteer wrk in the future.
Read and summarize
Read the sentences and summarize the rules fr “since” and “fr”.
(simple past tense)
a time pint
a perid f time
Match the time adverbials with the crrespnding “fr” r “since”.
Think and match
three years
I was ten years ld
yesterday mrning
Read and cmplete
Cmplete the sentences with fr r since.
1. We have been friends ___________ Grade 3.2. They have been tgether __________ three years.3. _________ last year, we’ve shared a lt f happy mments.
Practise mre:4. Mike has wrked in China ______ a lng time.5. This cuple have been married ______ abut thirty years.6. We have been friends ‌______ we met at schl‌.
Read and find
Read the tw sentences and find ut the differences between them.
(a)I have been a member f the vlunteer club fr 2 years.(b)I have jined the vlunteer club .
fcuses n ‌hw lng‌ the actin has lasted ‌(a ‌cntinuus state‌)
can’t be used with“fr+a perid f time”
jin (instantaneus verb)
describe actins that ‌cntinue ver time
describe actins that ‌happen instantly‌
Read mre sentences and summarize the characteristics f the predicate verbs.
·I have been a member f the vlunteer club fr 2 years.·Yung Han Xin has lived in pverty since his parents passed away.·She has shared her simple lunch with him fr ten days.·Since then, he hasn’t seen a child there.·I cannt understand why spring has nt cme since last year.
Read, match the sentences and underline the instantaneus verbs and cntinuus verbs.
Read and match
I have already bught this vlunteer T-shirt.
She has just brrwed the vlunteer handbk.
He has jined the Red Crss.
They have already left the animal shelter.
I have had this vlunteer T-shirt fr a mnth.
She has kept the vlunteer handbk fr three weeks.
He has been a member f the Red Crss fr six years.
They have been away frm the animal shelter fr tw hurs.
The charity shw has already begun.
The park clean-up activity has just finished.
The vlunteer teacher has cme here.
She has fallen ill and can’t jin the vlunteer wrk.
She has been ill since yesterday and can’t jin the vlunteer wrk.
The charity shw has been n fr 40 minutes.
The vlunteer teacher has been here fr a year.
The park clean-up activity has been ver since 5 ’clck.
Read and cnvert the instantaneus verbs int cntinuus verbs.
Read and cnvert
be in be a member f
be away frm
Cmplete the sentences with the crrect frms f the verbs in brackets and fr r since.
1. This cllege student enjys vlunteering fr the army. She ____________ (teach) English t the sldiers ______ three years. 2. I _________ (be) a member f the Red Crss fr six years. I have made a lt f friends I jined the rganizatin.3. Mr Wu has taught in a primary schl as a vlunteer tw years nw. he started wrking there, he (help) many students.4. The rganizatin (train) ver 6,000 vlunteers it began t ffer classes three years ag.
has trained
I lve being a vlunteer! I (wrk) with a sprts rganizatin fr almst three years nw. Since I started, I (help) ut at ver ten different sprts events. I (make) many new friends and I even (meet) many famus athletes. Fr example, I _______ (meet) tw natinal ftball players frm Argentina last mnth. They were at a stadium fr a charity match. The stadium (be) s big that they ______ (get) lst. I gave them directins and they (smile) and __________ (thank) me warmly. I am prud t be a vlunteer.
Cmplete the passage with the crrect frms f the verbs in brackets.
have helped
Let’s rle-play
Wrk in grups. Interview yur grupmates using the questins belw. Share the answers with the class.
1. My sister (be) a member f the schl vlunteer club fr tw years. She (jin) it in Grade 7.2. I (have) this vlunteer badge since last mnth. I (get) it when I first helped at the animal shelter.3. The vlunteers (be away frm) the cmmunity center fr an hur. They (leave) at 4 ’clck t help the ld peple.4. The charity bk sale (be n) since 9 ’clck this mrning. It (begin) half an hur earlier than planned.5. Tm (be) ill fr three days, s he can’t jin the park clean-up activity. He (fall) ill after the last vlunteer trip.
Fill in the blanks with the crrect frm f the given verbs.
have been away frm
The Present Perfect Tense
Cntinuus verbs and instantaneus verbs.
T describe an actin r state that began in the past and cntinues until nw.
The usage f fr and since.
1. Write a shrt reprt (abut 60-80 wrds) based n the interview in class, using at least three sentences with present perfect tense, “fr”, and “since”.2. Search fr a stry f a famus vlunteer nline. Write dwn 3-5 sentences t describe his/her vlunteer experience using the present perfect tense.