Question

- ̗̀ ꪔ̤̫ꪔ̤̫ꪔ̤̮ꪔ̤̮ꪔ̤̫ꪔ̤̫ ̖́-

想問一下15 21 22看了詳解還是不懂😭

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第二冊 • 單元3 | B2(1)1~2課 67
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23 Evan: Do you ever go bicycle riding around the lake?
Doris: No,
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現在的事實(現在簡單d (D) will (1)
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Mrs. Huang: No wonder you often wear it.
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第二冊

Answer 1

✨ 最佳解答 ✨

Terry

15. 因為have是原形動詞，所以可以判斷前面不是does就是did，再來，這兩個助動詞的差別就是「現在式」與「過去式」，注意對話中媽媽說「你哥忘記錄音機了，他什麼時候上音樂課？」，而Leon回答「下午。放心，I will take it to him.」由此可以判斷Leon的哥哥應該還沒有上音樂課（因為如果已經上了，那再拿錄音機給他也沒用了），所以也可以把過去式刪掉了
21. 與第15題類似，這裡一樣要注意到後面是「原形動詞」，所以只能選can't/didn't/don't，但是因為這整段沒有提供明確的時間點，Mrs. Haung單純是說「你為什麼不去買新的」，所以也不會用didn't（見註），那麼就剩下can't跟don't，而「can't 」講的是有沒有「能力」，但是根據整段對話Joyce並不是因為沒有能力（例如沒錢或是沒手沒腳不能去買東西）才不買的，所以也不會選can't
註：如果這裡要選didn't的話，那就應該要給予明確的時間點，例如Why didn't you buy a new one when you go to the shop yesterday.（你昨天去商店的時候為什麼不買一件新的？）
22. 這題的文法是反問，所以要看說話者前一句話的時態決定，Wendy前面是說「I study math for an hour every day.」，是現在簡單式，所以後面也會用don't you。這個文法的用法是，反問一個東西，而這個東西是前面講過的，所以就可以省掉，只剩下助動詞/be動詞 + 主詞，例如這裡的don't you其實完整的問句就是Don't you study math for an hour every day?
其他的例子還包含
I enjoy studying in English. Don't you?（我享受讀英文，你不喜歡嗎？）
I am bored. Aren't you?（我很無聊，你不無聊嗎？）（這裡因為前面那一句話用的是are，所以後面的問句也要是are）
I can play baseball well. Can't you?（我會打棒球，你不會嗎？）（因為前一句用了can，後面的問句也是can）

- ̗̀ ꪔ̤̫ꪔ̤̫ꪔ̤̮ꪔ̤̮ꪔ̤̫ꪔ̤̫ ̖́-

謝謝你🥹

- ̗̀ ꪔ̤̫ꪔ̤̫ꪔ̤̮ꪔ̤̮ꪔ̤̫ꪔ̤̫ ̖́-

那還想問為什麼不能許選Aren’t you

Terry

因為be.V本身也是動詞，後面不可以放原形動詞，就算要放也要改成buying。
不過這裡選buying也很怪，因為這是進行式，你不會「正在買」一個東西。

- ̗̀ ꪔ̤̫ꪔ̤̫ꪔ̤̮ꪔ̤̮ꪔ̤̫ꪔ̤̫ ̖́-

那22題呢？

Terry

前面用什麼時態，後面就要用那個時態讀助動詞，例子可以看上面。這裡是現在簡單式，現在簡單式搭配的助動詞是do/does。

- ̗̀ ꪔ̤̫ꪔ̤̫ꪔ̤̮ꪔ̤̮ꪔ̤̫ꪔ̤̫ ̖́-

感謝你🙏懂了！