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Unit 8 Section A Grammar Focus (3a~3c) 学案
Let's Communicate!
姓名 班级
日期 课题 Unit 8 Section A Grammar Focus
一、课前预习
（一）词汇预习表
序号 单词/短语 音标 词性 词义
1 meeting / mi t / n. 会面；会议
2 difficulty / d f k lti/ n. 困难；难题
3 right away 立即；马上
4 line /la n/ n. 字行；便条；线
5 drop sb a line 给……写信
6 detail / di te l/ n. 细节；详情
7 reunion / ri ju ni n/ n. 团聚；重逢；聚会
8 seriously / s ri sli/ adv. 严肃地；认真地
9 training / tre n / n. 训练；培训
（二）语法预习
阅读课本p.75 Grammar Focus部分的句子，尝试归纳if条件句的结构规律。
1. if从句用什么时态？________________________________
2. 主句可以用哪些形式？________________________________
3. if从句在前时，主句前需要加什么标点？________________________________
二、课堂探究
（一）if条件句结构归纳
观察3a中的句子，填写下表：
类型 结构 表意功能
第一条件句 If从句（____________）+ 主句（____________） 表示________________
零条件句 If从句（____________）+ 主句（____________） 描述________________
主句形式一 If + 现在时, 主句 + ____________ 例：________________
主句形式二 If + 现在时, 主句 + ____________ 例：________________
（二）语法填空（主将从现练习）
用括号中动词的正确形式填空，注意if从句的时态：
1. If it ______ (rain) tomorrow, I ______ (stay) at home.
2. If she ______ (come) to the party, she ______ (have) a good time.
3. If you ______ (not hurry), you ______ (miss) the bus.
4. If we ______ (practise) every day, we ______ (improve) quickly.
5. If you ______ (need) help, ______ (call) me right away.
6. If he ______ (be) late again, the teacher ______ (be) angry.
7. ______ (give) me a call if you ______ (arrive) early.
8. If you ______ (can / come), I ______ (show) you around the city.
（三）核心词汇探究
根据句意和首字母提示，填写核心词汇：
1. We will have a face-to-face m______ tomorrow to discuss the plan.
2. The old man has d______ in hearing, so you should speak louder.
3. If you need help, call me r______ a______.
4. Please drop me a l______ when you arrive.
5. I will give you all the d______ about the reunion.
6. We are planning a family r______ this summer.
7. Please think about it s______ — this is important.
8. The team needs more t______ before the competition.
9. We communicate in v______ ways: phone calls, text messages, emails, etc.
三、课堂练习
（一）3b Match the two parts to make sentences.
将左侧if从句与右侧主句匹配连线：
If从句 匹配 主句
1. If we have a face-to-face meeting, ____ A. try texting.
2. If I have good news, ____ B. we'll understand each other better.
3. If you need to leave, ____ C. you can write things down for him.
4. If you can finish your work early today, ____ D. I'll call you right away.
5. If the old man has difficulties in hearing, ____ E. I'll call a taxi for you.
6. If you can't reach her by phone, ____ F. will you join me for dinner
（二）3c Fill in the blanks with the correct forms of the verbs in brackets.
【Text 1 便条 — 同学聚会】
... If things ______ (go) well, we ______ (see) all those old faces again. Just think how great it will be!
If you think you can come, ______ (drop) me a line and I ______ (give) you all the details about the reunion. But promise me you'll think about it seriously.
【Text 2 语音留言 — 训练计划】
The new season is coming, so it's time to make a plan for our training. If we ______ (start) earlier this year, I think we ______ (perform) better. ______ (give) me a call and ______ (let) me know if you ______ (think) of a good time for everyone to meet. Talk to you soon!
（三）Read again and answer the questions.
1. What are the two texts about
________________________________
2. Whom is the information for
________________________________
3. What is going to happen according to the texts
________________________________
（四）Let's Talk 用if条件句回答问题
1. If your friend doesn't answer your phone call, how will you communicate with him / her
If my friend ______, I ______.
2. If there is no time to text, how will you communicate
If there ______, I ______.
3. If you want to thank your classmate but she is absent, how will you communicate with her
If I ______, I ______.
四、归纳总结
（一）重点词汇默写
序号 英文 音标/词性 中文
1 / mi t / n. 会面；会议
2 / d f k lti/ n. 困难；难题
3 立即；马上
4 /la n/ n. 字行；便条；线
5 给……写信
6 / di te l/ n. 细节；详情
7 / ri ju ni n/ n. 团聚；重逢；聚会
8 / s ri sli/ adv. 严肃地；认真地
9 / tre n / n. 训练；培训
（二）if条件句句式梳理
句式类型 结构公式 例句
第一条件句 If + ____________, 主句 + ____________ If it rains, I will stay home.
零条件句 If + ____________, 主句 + ____________ If you heat water to 100°C, it boils.
主句-情态动词 If + 现在时, 主句 + ____________ If you can't meet, you can call.
主句-祈使句 If + 现在时, ____________ If you need help, call me.
从句位置 从句在前→____；从句在后→____ If you stay calm, it will help. / It will help if you stay calm.
五、参考答案
（一）语法预习
1. if从句用一般现在时。
2. 主句可以用一般将来时（will+do）、情态动词（can/may/might/should+do）、祈使句。
3. if从句在前时，主句前需要加逗号。
（二）语法填空
1. rains / will stay
2. comes / will have
3. don't hurry / will miss
4. practise / will improve
5. need / call
6. is / will be
7. Give / arrive
8. can come / will show
（三）核心词汇探究
1. meeting 2. difficulties 3. right away 4. line 5. details
6. reunion 7. seriously 8. training 9. various
（四）3b 匹配
1-B 2-D 3-E 4-F 5-C 6-A
（五）3c 填空
Text 1: (1) go (2) will see (3) drop (4) will give
Text 2: (5) start (6) will perform (7) Give (8) let (9) think
（六）读后回答
1. The first text is about inviting people to a reunion. The second text is about making a team training plan.
2. The note is for an old classmate or friend. The voice message is for a teammate.
3. In the first text, if things go well, people will meet again. In the second text, if the team starts training earlier, they will do better, and they will talk about the meeting time.
（七）Let's Talk 参考答案
1. If my friend doesn't answer my phone call, I will send a text message.
2. If there is no time to text, I will make a phone call.
3. If I want to thank my classmate but she is absent, I will write a note.
（八）重点词汇默写
1. meeting
2. difficulty
3. right away
4. line
5. drop sb a line
6. detail
7. reunion
8. seriously
9. training
（九）if条件句句式梳理
第一条件句：If + 一般现在时, 主句 + will/can/may + 动词原形
零条件句：If + 一般现在时, 主句 + 一般现在时
主句-情态动词：If + 现在时, 主句 + can/may/might + 动词原形
主句-祈使句：If + 现在时, 动词原形
从句位置：从句在前→加逗号；从句在后→不加逗号

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