北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
Unit1 Lifestyles-Lesson3 A Volunteer Teacher
一、学习目标
了解一般现在时、现在进行时与一般将来时的不同用法。
二、重难点分析
正确使用一般现在时、现在进行时与一般将来时。
三、学习过程
Step1: 词汇讲解 1. volunteer
（1）志愿者 n. He works as a volunteer.
（2）v.自愿地或无偿地给予或提供（帮助建议） I volunteered to act as his guide. 我自愿当他们的向导。
2. graduate vi. 毕业 & n. 毕业生 n. 毕业 graduation 试写短语： 从… 毕业 graduate from
3. challenge n. &v. 挑战 adj. 具有挑战性的 challenging 4. support
(课文原句) His idea to organize a big party has won support from his friends. n. win/obtain/get support from/of sb. 得到某人的支持 lend /give/offer support to sb. 支持某人 come to one’s support 支持某人 in support of为了支持
v.支持，扶持，赞成，拥护，供养
The majority of people in the town strongly support the plan to build a playground for children.
He worked hard to support his family. 5. solve vt. 解决，解答 n. solution 短语翻译：解决问题 solve a problem
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北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
the solution to the problem 问题的解答
Step2. 知识详解 一般现在时
1. 表客观真理，科学事实，格言及其它不受时间限制的客观存在。 a. The earth moves around the sun.
b. A rolling stone gathers no moss（青苔）.流水不腐。 2. 表经常习惯性动作。 a. Father doesn’t smoke.
b. He always sleeps with his windows open. 3. 表现在的行为或状态。 a. Someone’s at the door. b. What’s the matter with you?
4. 表主语所具备的特点，特征或能力。 Tom speaks good English.
5. 常用于时间、条件、让步状语从句，表将来，即经常说到的主将从现。 a. If it is fine tomorrow, we’ll go to the countryside. b. We’ll go out for a walk as soon as the rain stops.
6. 用于根据规定或时间表预计要发生的动作，只限于go，come, leave, start, stay, begin, close, open等动词。
a. The train leaves at 7∶30 this evening. b. The term starts on 23rd August.
现在进行时
be doing用以体现现在（或现阶段）正在发生或进行的动作。 1. 表说话的时刻正在发生或进行的动作。 He is watching TV now.
2. 表目前一段时间内正在进行的动作，说话时动作未必正在进行。 Mr. Green is writing a novel these days.
3. 与频度副词、连词always，continually, forever, constantly, all the time等连用，带有感
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北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
情色彩，多半表 示说话人不满情绪、惊讶或赞赏等感情色彩。
a. She’s always borrowing money and forgetting to pay me back. b. He is always thinking of others.
4. 用于go，come，leave，start，arrive，return等以及die, marry等等动词中，表示将来发生的动作。
a. He is coming to see you tomorrow. b. She is leaving for London soon.
5. 用于动词get, grow, become, turn, begin, go等表渐变。 a. The leaves are turning red. b. It’s getting warmer and warmer.
一般将来时
1. 一般现在时表将来时
（1）主要用于表示根据规定、时间表预计要发生的。 a. She retires next month.
b. Christmas falls on a Thursday this year. （2）用于时间、条件、让步状语从句表将来。 I’ll give it to you after he comes. 2. be to do表将来
（1）表预先安排好的计划或约定。 a. There is to be a concert on Saturday evening. b. The exhibition is to start in a week’s time.
（2）表说话人的意志、意图、职责、义务、命令。 a. You are to finish your work before supper. b. No one is to leave the room without permission.
3. be doing现在进行时表将来时，表计划、安排即将发生的动作，常用于位置移动的词：go, come, leave, start, arrive, return等以及die, marry等。
a. What are you doing tonight?
b. We are starting the work in a few days. 4. be going to（+动词原形）表将来。
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北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
（1）表决定或意图要做的事，有“打算”之意。 a. How long is he going to stay here? b. We are going to have a meeting today. （2）根据迹象表明将要发生的动作。 a. It is going to rain.
b. She is going to have a baby. 5. shall/will表将来。
shall常用于第一人称在陈述句中表将来，will用于所有人称表将来。多表示单纯的将来或意愿式的将来，will还可表示临时决定之将来。
a. He will be here in half an hour. b. —Tom is in hospital.
—I don’t know. I’ll go to see him.
6. be about to do sth.=be on the point of doing sth.表客观即将、马上要进行的动作，一般不与具体时间状语连用。
The train is about to leave.
常构成句式：… be about to do sth. When….
四、同步练习
单项选择。
1. Every few years，the coal workers________ their lungs X-rayed to ensure their health. A. are having B. have C. have had D. had had
解析：句意为：每隔几年，煤矿工人们都要对肺部进行X光检查，以确保身体健康。考查动词的时态。根据every few years每隔几年)可知动作是经常性的，有规律的，所以用一般现在时。
答案：B
2. The church tower which________ will be open to tourists soon. The work is almost finished.
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北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
A. has restored B. has been restored C. is restoring D. is being restored
解析：句意为：教堂的钟塔正在修复，不久就会对游客开放。修复工作差不多完成了。考查动词的时态和语态。根据语境，主语tower和动词restore之间是被动关系，A、C两项被排除；又由句意可知修复工作还未完成，而是正在进行中，所以不能使用现在完成时，要用现在进行时态。
答案：D
五、自我测评
选择题。
1. I’ll go with you as soon as I ________ my work. A. will finish B. shall finish C. finish D. finished
解析：as soon as 引导的时间状语从句中用一般现在时表示将来。 答案：C
2. I have bought some bricks and I ________ a house with them. A. am going to build B. am building C. have built D. shall build
解析：be going to表示现在打算（在最近或将来）要做某事, 常表示已经做了准备或表示非常可能发生。will/shall do表示未事先考虑, 即说话时临时想到的。
答案：A
六、小结
通过本节课的学习，要正确使用一般现在时、现在进行时与一般将来时。
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北师大版必修1 unit 1 lesson3 A Volunteer Teacher 学案设计
