Question

シロ

英語の論理表現の問題です
大問4の4の並び替え問題についてです
この問題のuselessの使い方について教えてほしいです！

3
ite!
2.
1.
3.
4.
4
15
6.
3.
次の英文を日本語に直しなさい。
1.
) dangerous (
各文の下線部と同じ用法の不定詞を含む文を(a)~(d)から選びなさい。
I will go to the stadium to see a soccer game.
(a)
(b)
I'm sorry to bother you, but there is a phone call for yo
He can't be kind to other people to tell such a bad joke
He made a promise to send me an email every day.
We should leave soon to get there on time.
There was nothing to eat in the refrigerator.
My sister was looking for a company to work for
You should grow up to be kind people.
It is important to help each other.
He had three children to look after.
(c)
(d)
He went to the bookstore to buy the comic book.
I want to be a nurse in the future.
He tried, only to find he couldn't solve the problem by hir
She needs a bigger house to live in.
4 (
内の語句を並べかえて, 英文を完成させなさい。
1. I ( planning/ a three-day trip/to/am/to Kanazawa/take ).
2. Tony (the/speak/to/ability/three languages/has).
X
He must (to/ a mistake/tired/be/make/such).
(useless/I/to/it/talk/think) to my mother about it.
5. (receive/were/to/a warm welcome/the tourists/delighte
6. Takashi (Canada/to/in/stayed/his/improve ) English.
総合
1. 彼女には洗わなければならない服がたくさんある。
2. 私は目が覚めたら部屋に一人ぼっちだった。

Answer 1

y.takano

uselessは普通の「無駄な、無益な」のような意味の形容詞ですね。
どちらかというとポイントはthink,itの使い方でしょうか。
think A B でA＝Bだと思う：I think it useless.私はそれは無駄だと思う (あまり一般的現代的ではない気もします。I think it's uselessの方が自然だと思います。)
それと形式主語itを置いて主語内容をto不定詞で表す：it is useless to talk to my mother.母に話すのは無駄だ
の組み合せですね。