❶よい
a good book
♔基本a good book
よい本
⦣ good＋名詞.
good news
good news
よい知らせ, 吉報きっぽう
(That's a) Good idea.
(That's a) Good idea.
それはいい考えだ.
We are good friends.
We are good friends.
私たちは仲良し[親友]だ.
Every boy has something good in him.
Every boy has something good in him.
どの少年にも何かよい所がある.
⦣ goodは something を修飾しゅうしょくする. something代
This book is very good.
♔基本This book is very good.
この本はとてもよい[ためになる].
⦣ be動詞＋good.
Smoking is not good for your health.
Smoking is not good for your health.
喫煙きつえんは健康によくない.
Be a good boy while I'm gone.
Be a good boy while I'm gone.
私が留守の間いい子にしていなさい.
Your idea is good but Bob's idea is better, and John's is the best.
関連語Your idea is good but Bob's idea is better, and John's is the best.
君のアイデアはいいがボブのアイデアはもっといい, そしてジョンのは一番いい.
❸適している; 有効な
This book is not good for children to read.
This book is not good for children to read.
この本は子供が読むのにふさわしくない.
⦣ to read は不定詞で good を修飾する （to ❾の④）.
Is this water good to drink?
Is this water good to drink?
この水は飲むのに適していますか[飲めますか].
This ticket is good for one year.
This ticket is good for one year.
このチケットは1年間有効です.
❻楽しい, 愉快ゆかいな, おもしろい
I had a good time at the picnic.
I had a good time at the picnic.
（ピクニックで楽しい時間を過ごした）ピクニックはとても楽しかった.
Have a good time.
Have a good time.
楽しく過ごしてらっしゃい[行ってらっしゃい].
His teammates didn't feel good.
His teammates didn't feel good.
彼のチームメートたちは不愉快だった.
