Question

高校生

この文ってwhenだからbeがついているのでしょうか？　なぜbeが必要なのか教えてください🙇‍♀️

6 Does Ann go to school by train?
- Yes, she does. / No, she doesn't.
7 Didn't you visit New York?
B
<26>
- Yes, I did. / No, I didn't.
☑
(26)
(28)
N
8 Are you going by air() or by train ()?
(I'm going) By train.
9 Who painted this picture? - John did.
(29)
Hoiup
(29)
10 What do you want for your birthday? I want a PC. (29)
11 When will you be back? (I'll be back) By five.
IZ It is very cold today, isn't it? Yes, it is.
N
<29>
<31>
13 Tom doesn't like math, does he? - Yes, he does.
<31>
14 Listen to me carefully.
(34)
15 Be careful! The cup is very hot.
04-CAD (34)
16 Don't give up. Try it again.
(34)
17 Don't be so noisy, please.
<34>
18 Let's play tennis. - Sure. / Sorry, I can't.
<35>
19 How big this steak is!
<36>
20 What a good swimmer (he is)!
(36)
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間接疑問文 疑問形 英コミュ 英語

Answer 1

taka

whenだからbeがついているのでしょうか？ → いいえ、違います。whenの後にはbe動詞も一般動詞も来ます。
なぜbeが必要なのか教えてください → be back：戻る、帰る ＝ come back と考えれば良いと思います。
11. いつ帰ってくるの？　５時までには帰るよ。

参考にしてください。