初中英语人教版（2024）八年级上册（2024）Unit 8 Let's Communicate! Section A 1a-1d优秀课件ppt

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1.Understand the sentence structure, semantic functin, and usage f cnditinal sentences guided by 'if'.
2.Match cmplete cnditinal sentences based n different cntexts.
3.Chse apprpriate cmmunicatin methds based n different cntexts.
Listen and sing a sng.
Cunt n Me____ yu ever find yurself stuck in the middle f the sea,I'll sail the wrld t find yu.____ yu ever find yurself lst in the dark and yu can't see,I'll be the light t guide yu.____ yu tss and yu turn and yu just can't fall asleep,I'll sing a sng beside yu.And ____ yu ever frget hw much yu really mean t me,Everyday I will remind yu.Find ut what we're made fWhen we are called t help ur friends in need
Presentatin
Read the sentences. Find mre sentences with if -clauses in Sectin A.
What d these sentences have in cmmn?
What are the tenses f the main clause (主句) and the subrdinate clause (从句)?
If 从句→ 用一般现在时
主句→ 也用一般现在时
结论：当表示客观事实、真理时，主句和if引导的条件状语从句都用__________ 时，简称________。
If it rains tmrrw, I will stay at hme.如果明天下雨，我就会待在家里。
If yu dn't hurry, yu will miss the bus.如果你不快点，你会错过公交车的。
结论：当表示未来可能发生的事情时，主句用__________ 时，if引导的条件状语从句用__________ 时。
If yu help me, I can finish it n time.
If yu get up late, yu must hurry up.
结论：主句有 ，从句一般现在时
Match the tw parts t make sentences.
if clause从句
main clause主句
What are the frms形式 f cmmunicatin?
vice message
Peple usually write ntes when they need t leave a message fr smene wh isn't there, like t share imprtant details r remind smene f smething.
Peple use vice messages when they want t explain smething mre clearly than text, r when they are busy and can't type a lng message.
Fill in the blanks with the crrect frms f the verbs in brackets.
1. What is the situatin?2. Wh is this message fr?
Planning a class reunin r a party fr ld friends.
A friend r classmate.
will perfrm
1. What is the situatin? A. Discussing a schedule fr a schl prject B. Making a training plan fr a sprts team C. Arranging a time fr a hliday trip2. Wh is this message fr?
A teammate r the team cach.
* Extract and summarize clauses cntaining 'If' frm the discurse and translate them int Chinese.* Create a mind map f cnditinal adverbial clauses fr if guidance.