人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection A示范课课件ppt

这是一份人教版（2024）八年级下册（2024）Unit 5 Nature's TemperSection A示范课课件ppt，共24页。PPT课件主要包含了was taking，was going，past，now，future， o’clock，was，weren’t，Yes I was，Were等内容，欢迎下载使用。
Learning bjectives
1. 在语境中归纳总结过去进行时的表意功能、句 型结构及时间状语。2. 理解并掌握when和while引导的时间状语从句， 理解其表意功能，并能区分when和while的意义。3. 正确运用过去进行时讲述与自然灾害相关的故 事。
通过本节课的学习，学生能够：
Watch and fill
1. —Isabella, What were yu ding when all that happened? —I ___________(take) a shwer. 2. When Isabella came ut f the bathrm, she felt the smell f smke and knew smething ___________(g) n.
Watch the vide and fill in the blanks.
What tense is it?
Read and find
Read 3a and find ut mre sentences with the past cntinuus tense.
·—Isabella, What were yu ding when all that happened? —I was taking a shwer. · When Isabella came ut f the bathrm, she felt the smell f smke and knew smething was ging n.
We were driving hme frm ur relatives’ huse when the strng winds started.
It was raining hard while we were driving back.
Read and underline
Read the sentences. Underline the verbs which shw an nging actin in the past.
Analyze and fill
1. I was sleeping at 11 ’clck last night.
a specific time in the past
I was sleeping.
2. I was sleeping when the strng winds started.
anther actin
The strng winds started.
3. I was sleeping while it was snwing heavily.
tw actins happening
It was snwing heavily.
Read and fill
Read the sentences with the past cntinuus tense. Then fill in the blanks.
I was travelling n the train then.
He wasn’t reading at that time.
I/He/She/It
wasn’t = was nt weren’t = were nt
present participle
We were having dinner at hme.
Rerder and fill
Rerder sentences with the past cntinuus tense. Then fill in the blanks.
1. Were/ n the train/ yu/ travelling / then_____________________________?2. I/ was/ Yes, ________________________.
Were yu travelling n the train then
I/he/she/it
Circle and fill
1. We were driving hme frm ur relatives’ huse when the strng winds started.2. He wasn’t reading at that time.3. Mary was ding her hmewrk frm 7 t 9 last night.4. It was raining hard while we were driving back.
Read the sentences and circle the time expressins in them.
at that time, frm ... t... last night, all mrning, in thse days, fr hurs, ...
1. My children and I were reading tgether last night.2. My children and I read tgether last night.
Read the sentences and analyze the differences between the tw tenses.
The actin was in prgress r nging (unfinished) in the past
Read and analyze
Read the sentences and analyze the differences between when and while.
We were driving hme when the strng winds started.
the simple past tense
the past cntinuus tense
the lng actin
the shrt actin
Rules: When a shrt actin happened at the same time as a lng actin, we can use “________” with the shrt actin.If the “when-clause” r the “while-clause” is used at the beginning f the sentence, use a cmma after it.
When the strng winds started we were driving hme.
My neighbur called when/while my family were having dinner.
Rule: When a shrt actin happened at the same time as a lng actin, we can use bth“______________” with the lng actin.
When/While my family were having dinner, my neighbur called.
Rule: We use “_______” t jin tw lng actins.
It was raining hard while we were driving back.
Cmpare and summarize
We were driving hme when the strng winds started. My neighbur called when/while my family were having dinner.It was raining hard while we were driving back.
1. When there are tw lng actins, we ften use________.2. If the shrter actin is in the main clause, we can use ____________ t jin them.3. If the lnger actin is in the main clause, we ften use _______t jin them.
when r while
Read and cmbine
Cmbine each pair f sentences using when r while.
1. I did my hmewrk. The typhn landed n the cast.2. The pwer went ut. My father and I made dinner.3. Kate wrte a letter. Her brther called t warn her f the strm.4. My parents packed the supplies. I mved ur things ff the flr.5. I slept sundly. It rained cats and dgs.
I was ding my hmewrk when the typhn landed n the cast.
My parents were packing the supplies while I was mving ur things ff the flr.
The pwer went ut while my father and I were making dinner.
Kate was writing a letter when her brther called t warn her f the strm.
I was sleeping sundly while it was raining cats and dgs.
When Jenny lked up, thick black cluds were frming in the sky, and the rain beating against their rf. “Quick, this way,” said Dad. The family ran t the safe rm at nce. they were waiting, Jenny’s little sister started t cry. Dad gave her sme chclate and tld her that they hiding frm an angry lin. Sn, she was laughing again. At last, the strm passed. they stepped utside, they fund the sun shining. Peple were asking ne anther if they were safe while sme starting t clear the streets. Jenny smiled. The trnad was scary, but it als brught everyne clser tgether.
Read and cmplete
Cmplete the passage with was, were, when r while.
Think and write
Imagine that yu are a reprter. Interview a member f Jenny’s family and find ut what he r she was ding arund the time f the trnad. Think and write dwn the interview questins.
Hw was the weather befre the trnad hit?
Where were yur family?
What were yu ding when the trnad hit?
Were yu afraid f the trnad?
Hw did yur family members cmfrt each ther?
What was the weather like?
What did they d?
Let’s rle-play
Imagine that yu are a reprter. Interview a member f Jenny’s family and find ut what he r she was ding arund the time f the trnad.
1. My brther (play) cmputer games when the rainstrmstarted.2. While we (wait) fr the bus, a strng wind (blw) suddenly.3. the trnad came, we were hiding in the safe rm.4. my mm was packing supplies, I was mving things ff the flr.5. Were they planting trees n the hill at this time yesterday. Yes, . / N, .
Fill in the blanks with the crrect frm f the given verbs.
was playing
were waiting
they weren’t
The Past Cntinuus Tense
Time expressins: at that time, frm... t , ...
T describe actins that were in prgress at a specific time in the past.T indicate an actin that was interrupted by anther actin.T describe tw actins happening at the same time in the past.
Basic sentence structure: was/were +v.-ing
The different usages f when and while.
1. Wrk with yur family t make a shrt English dialgue (1-2 minutes) abut “What t d when a typhn cmes”, recrd it and share it in the next class.2. Cllect 3-5 English wrds abut natural disaster preventin, and make sentences with the Past Cntinuus Tense fr each wrd.