人教版（2024）八年级下册（2024）Section A优质课件ppt

这是一份人教版（2024）八年级下册（2024）Section A优质课件ppt，共19页。PPT课件主要包含了past， I ，基本句式，时间点，时间段，延续性动词，when，瞬间性动词，非延续性动词，was doing等内容，欢迎下载使用。
Pay attentin t the structure f the tense.
was/were + v-ing
Past cntinuus tense（过去进行时）:
They shw an nging actin in the _____.
(1) _____________________ + was + v. -ing.
(2) ___________________ + were + v. -ing.
They / We / Yu / n. (pl.)
He / She / It / n. (sing.)
过去某一段时间内持续进行的动作
过去某一时刻正在进行的动作
Read the sentences. Underline the verbs which shw an nging actin in the past.
Past Cntinuus Tense
主语＋was/were＋v-ing＋其他.
主语＋wasn’t/weren’t＋v-ing＋其他.
Was/Were＋主语＋v-ing＋其他？
Yes, 主语＋was/were.
N, 主语＋wasn’t/weren’t.
特殊疑问词 + was/were + 主语 + v-ing + 其他?
I was sleeping at ten last night.
I wasn’t sleeping at ten last night.
Were yu sleeping at ten last night?
What were yu ding at ten last night?
Yes, I was.
N, I wasn’t.
Let’s review
Drp e + ing
Add a cnsnant + ing
Change ie int y + ing
rain — raining
drive — driving
sit — sitting
die — dying
hide — hiding
beat — beating
swim — swimming
cut — cutting
hit — hitting
watch — watching
lie — lying
shine — shining
What are the differences between when and while when used in past cntinuus tense?
瞬间性（非延续性）动词
延续性动词 VS. 非延续性动词
d snw have dinner hit stp callstart drive rain sleep leave break
(1) _____________ a shp wner was trying t mve wet things, sme yung peple came ver t help.(2) __________ sme families were waiting fr clean water, a lcal cmpany was giving ut free water in the neighburhd.(3) A wman was trying t fix her brken windws alne ______ tw neighburs came up with tls t help her.(4) ______________ a grup f vlunteers were clearing fallen trees frm the rad, a car stpped t ffer them water and snacks.
While / when
While / When
Please fill in the blanks with when r while.
Cmbine each pair f sentences using when r while.
When the typhn landed n the cast, I was ding my hmewrk.
The typhn landed n the cast while I was ding my hmewrk.
2. The pwer went ut. My father and I made dinner.
The pwer went ut while my father and I were making dinner.
My father and I were making dinner when the pwer went ut.
While my father and I were making dinner, the pwer went ut.
When the pwer went ut, my father and I were making dinner.
While Kate was writing a letter, her brther called t warn her f the strm.
When her brther called t warn her f the strm, Kate was writing a letter.
Kate was writing a letter when her brther called t warn her f the strm.
Her brther called t warn her f the strm while Kate was writing a letter.
(4) My parents packed the supplies. I mved ur things ff the flr.
My parents were packing the supplies while I was mving ur things ff the flr.
While my parents were packing the supplies, I was mving ur things ff the flr.
While I was mving ur things ff the flr, my parents were packing the supplies.
I was mving ur things ff the flr while my parents were packing the supplies.
(5) I slept sundly. It rained cats and dgs.
slept well / had a gd night’s sleep 睡得很香
It was raining cats and dgs while I was sleeping sundly.
I was sleeping sundly while it was raining cats and dgs.
While it was raining cats and dgs, I was sleeping sundly.
While I was sleeping sundly, 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.
Cmplete the passage with was, were, when r while.
was / were + v. -ing
It was a trnad.
/tɔːˈneɪdəʊ/
(1) What did Jenny ntice when the trnad hit?
The safe rm.
(2) Where did Jenny’s family g t keep safe during the trnad?
Thick black cluds were frming in the sky, and the rain was beating against their rf.
Trnad safe rms are quite cmmn in the United States, especially in Trnad Alley. 龙卷风走廊
Careful reading: Read again and answer the questins.
(3) What did Dad d t make Jenny’s little sister stp crying?
He gave her sme chclate and tld her that they were hiding frm an angry lin.
Because the little girl was t yung t understand what a trnad was. By cmparing it t an angry lin, Dad made her feel less afraid and helped her accept what was happening mre easily.
(4) Why did Dad cmpare the trnad t an angry lin?
(5) Why did the writer think the trnad brught everyne clser tgether?
Later, after the trnad, peple cared abut each ther’s safety and wrked tgether t clean up the streets. These acts brught everyne clser tgether.
Because during the trnad, her family supprted each ther clsely.
• pay clse attentin t weather changes
• prepare a trnad safe rm
• stay calm and run t the safe rm at nce
• cmfrt thse wh feel scared
• check n ne anther and ask if everyne is safe
• wrk tgether t clear up the neighburhd
What can we learn frm their experience with the trnad?