情景导入
同学问你："周末干什么？"如果你早就计划好了去看画展，你会说：I am going to visit the art show.（早有计划）；如果你本来没安排，话音刚落临时起意，你会说：I will go to the library, maybe.（临时决定）两句都指向未来，但"味道"不同：be going to 强调事先的打算，will 强调当下的决定或对未来的预测。这正是本课要辨析的核心。
核心词汇
一般将来时的信号词（看到它们优先考虑将来时）：
| 信号词 | 意思 | 例句 |
|---|---|---|
| tomorrow | 明天 | I will call you tomorrow. |
| next week / month / year | 下周/下月/明年 | We are going to travel next month. |
| in + 一段时间 | ……之后 | He will be back in two hours. |
| from now on | 从现在起 | I will study harder from now on. |
高频动词短语：make a plan（制订计划）、take a trip（去旅行）、have a picnic（野餐）、come true（实现）
句型与语法
一、will + 动词原形（will 无人称变化，缩写 'll）
- 肯定：I will help you. 否定：will not = won't → He won't come.
- 疑问：Will you join us? — Yes, I will. / No, I won't.
will 的三大用法：① 临时决定（说话瞬间才决定）：It's cold. I will close the window. ② 预测（常与 think / believe / probably 连用）：I think it will rain tomorrow. ③ 承诺、意愿：I will always help you.
二、be going to + 动词原形（be 随主语变化：am / is / are）
- 肯定：She is going to learn the piano. 否定：We aren't going to move.
- 疑问：Are you going to watch the game? — Yes, I am.
be going to 的两大用法：① 事先的计划、打算：I am going to be a doctor when I grow up. ② 有迹象表明即将发生：Look at the dark clouds! It is going to rain.
三、两点补充：表按时刻表发生的事可用一般现在时：The train leaves at 8:00 tomorrow.；go / come 等位移动词常用现在进行时表将来：We are leaving for Beijing tonight.
听说训练
未来畅想（两人一组，用两种将来时互相提问）：
- What are you going to do this weekend? — I'm going to visit my grandparents.
- The phone is ringing! — Don't worry. I'll answer it.（临时决定用 will）
跟读强化：will 常缩读成 'll（I'll / She'll）；going to 在口语中常读作 gonna，听力里要能反应过来。
辨析对比
| will | be going to | |
|---|---|---|
| 决定时间 | 说话瞬间临时决定 | 说话前已有计划 |
| 预测依据 | 主观看法（I think...） | 眼前迹象（Look! ...） |
| 例句 | I'm tired. I will go to bed. | I am going to see a film. I've got the ticket. |
判断口诀：有计划、有迹象 → be going to；临时定、凭感觉 → will。例：A: We have no milk. B: Really? I will buy some.（刚知道，临时决定）；I am going to buy some milk. It's on my shopping list.（早有安排）
文化角
英语中许多名言用 will 表达信念与承诺：Where there is a will, there is a way.（有志者事竟成——这里的 will 是名词"意志"。）电影台词 "I'll be back." 更是家喻户晓。西方人邀约常说 "I'm going to have a party. Will you come?"——前半句讲计划，后半句表邀请，一句话用齐两种将来时。
易错点
- will 后接动词原形：She will goes there. ❌ → She will go there. ✅
- be going to 漏 be：I going to play soccer. ❌ → I am going to play soccer. ✅
- 两者叠用：I will going to visit her. ❌ → I will visit her. / I am going to visit her. ✅
- won't 拼写：will not 的缩写是 won't，不是 willn't。
中考真题
— Have you decided how to spend the coming summer holiday?
— Yes. I ______ a volunteer in the city library.
A. was B. am going to be C. have been D. would be
✏️ 点击查看解答
答案：B
解析：问句 "Have you decided...?" 询问是否已做决定，答语 "Yes" 说明计划早已定好，且 "the coming summer holiday" 指向将来，故用 be going to 表事先的打算，选 B。A、C 与将来时间矛盾；D 常用于过去将来，不合语境。完整句子：I am going to be a volunteer in the city library.
考点
- 中考单选、语法填空常考时态之一，常与时间状语 tomorrow / next week 搭配命题；
- 三大命题点：① 由"临时决定 vs 事先计划"选 will 或 be going to ② will/won't 后接动词原形 ③ 由乌云、脸色等眼前迹象选 be going to；
- 写作加分：书面表达写"计划、打算"类作文（如 My Plan for the Weekend）时，be going to 与 will 交替使用，句式更丰富。
诵读 Read Aloud
Part 1 · 对话：Weekend Plans（分角色朗读）
A: What are you going to do this Saturday?
B: I'm going to climb the hills with my parents. What about you?
A: I haven't decided yet... Oh, I know! I'll go swimming with my cousin.
B: Sounds great! But look at the clouds. I'm afraid it's going to rain.
Part 2 · 短文：My Dream Job（体会两种将来时）
What am I going to be when I grow up? I'm going to be an engineer. I'm going to study math and science hard, because they are the keys to my dream. My teacher says the world will change a lot in the future, and robots will do much of our work. But I believe people who keep learning will never fall behind. Next year, I'm going to join the science club at school, and I will practice building small machines every week. I'm sure my dream will come true.
诵读小贴士：朗读 Part 1 时体会 "I'll go swimming"（临时决定）与 "I'm going to climb"（早有计划）的区别；背熟 Part 2，中考"理想与计划"类作文可以直接套用。