EN: Use the Past Simple tense (verb + ed) to talk about actions that happened and finished at a specific time in the past.
日本語: 過去の特定の発言や完了した動作を表すには、過去形(動詞 + ed)を使います。
He played basketball yesterday.
彼は昨日バスケットボールをしました。
EN: The year 2020 is globally recognized as the start of the COVID-19 pandemic, which led to significant changes in lifestyle, work, and travel worldwide.
EN: Use 'from [A] to [A]' to show movement or change between similar things.
日本語: 似たようなものの間での移動や変化を表すには、「from [A] to [A]」を使います。
The news traveled from person to person.
ニュースが人から人へ広まりました。
EN: The phrase 'from country to country' emphasizes the global nature of the pandemic, highlighting how interconnected the modern world is through travel and trade.
EN: Use 'become' or 'get' followed by an adjective to describe a change in state or condition.
日本語: 「become」または「get」の後に形容詞を続けることで、状態や状況の変化を表します。
The weather became very cold.
天気がとても寒くなりました。
EN: In English, 'full' in the context of hospitals often implies that there are no more beds available for new patients, a common issue during the peak of the pandemic.
EN: The pattern 'ask + someone + to + verb' is used to tell someone what you want them to do.
日本語: 人に何かをするよう頼んだり指示したりするときは、「ask + 人 + to + 動詞」の文型を使います。
The teacher asked the students to open their books.
先生は生徒たちに本を開くよう言いました。
EN: During the pandemic, 'stay home' became a global slogan to encourage social distancing and reduce the spread of the virus.
EN: Use 'It was' to describe a situation or period of time in the past.
日本語: 過去の状況や期間について説明するときは、「It was」を使います。
It was a sunny day yesterday.
昨日は晴れた日でした。
EN: The phrase 'around the world' emphasizes the global impact of the pandemic, showing that no country was left out.
EN: Using '-ing' (Gerund) to name an action. Here, 'wearing' acts like a noun to describe the 'way'.
日本語: 動詞の語尾に '-ing' をつけた「動名詞」を使って、動作を名詞のように表します。ここでは 'wearing' が名詞の働きをし、その「方法」を説明しています。
My favorite hobby is playing basketball.
私の大好きな趣味はバスケットボールをすることです。
EN: In many Asian cultures, wearing a mask when sick was common even before 2020, but it became a global standard during the pandemic.
EN: In English, when the subject is 'he', 'she', 'it', or a single thing (like 'a mask'), we add an '-s' to the end of the action word (verb) in the present tense.
日本語: 英語では、主語が 'he'、'she'、'it'、または単数の名詞('a mask' など)の場合、現在形の動詞の末尾に 's' をつけます。
The sun shines brightly.
太陽が輝いています。
EN: In many Western cultures, wearing masks in public was not common before 2020. However, in many East Asian countries, people often wore masks even before the pandemic to protect against pollution or common colds.
EN: The pattern 'stop [someone/something] from [doing something]' is used to describe preventing an action from happening.
日本語: 「stop [人/物] from [〜すること]」という文型は、ある行為を阻止・予防することを表します。from の後には動詞の -ing 形が続くことに注意しましょう。
The umbrella stops the rain from hitting me.
傘のおかげで雨に濡れずに済みました。
EN: During the pandemic, 'stop the spread' became a global slogan, emphasizing individual responsibility in public health.
EN: Use 'did not want to' + 'base verb' to talk about things people refused or lacked the desire to do in the past.
日本語: 過去に誰かが何かをするのを嫌がったり拒否したりしたことを表すには、「did not want to」+「動詞の原形」を使います。
He did not want to eat breakfast this morning.
彼は今朝、朝食を食べたくありませんでした。
EN: In many Western cultures, wearing masks was not common before 2020, leading to initial resistance. In contrast, in some East Asian cultures, wearing masks when sick was already a social norm.
EN: Use 'said' to report what someone else said in the past. The following part of the sentence tells us the content of their words.
日本語: 過去に他の人が発言した内容を伝えるときは「said」を使います。文の後続部分で、その人が話した内容を示します。
My mother said the food was delicious.
母はご飯が美味しいと言いました。
EN: In many East Asian cultures, wearing a mask when sick was common even before 2020. However, in many Western countries, this practice only became widespread during the COVID-19 pandemic.
EN: Use 'another way to + verb' to talk about one more option or method to do something.
日本語: 何かをするための「もう一つの選択肢」や「別の方法」を表すときは、「another way to + 動詞」を使います。
Reading books is another way to learn English.
本を読むことは、英語を学ぶもう一つの方法です。
EN: During the COVID-19 pandemic, 'quarantine' became a common global experience, often involving staying in a specific hotel or at home for 7 to 14 days when traveling or after being exposed to the virus.
EN: When using the verb 'mean' to define an action, we use the '-ing' form (gerund) after it.
日本語: 動詞 'mean' を使って動作を定義する場合、後ろには動詞の '-ing' 形(動名詞)が続きます。
Success means working hard every day.
成功とは、毎日努力することを意味します。
EN: During the COVID-19 pandemic, 'quarantine' became a common daily word worldwide, often referring to the mandatory 7 or 14 days of isolation required by governments.
EN: Use 'If' with past tense verbs to talk about a rule or a regular situation that happened in the past.
日本語: 'If' に動詞の過去形を組み合わせることで、過去におけるルールや習慣的な状況を表します。
If it rained, we played inside.
雨が降ったら、私たちは室内で遊びました。
EN: During the COVID-19 pandemic, 'two weeks' (14 days) became a standard quarantine period worldwide based on the virus's incubation period.
EN: Use 'adjective + er + than' to compare two things or situations. 'Harder than' means something is more difficult than something else.
日本語: 2つのものや状況を比較するときは「形容詞 + er + than」を使います。'Harder than' は「〜よりも難しい」という意味になります。
This box is heavier than that one.
この箱はあの箱よりも重いです。
EN: In English, 'than expected' is a very common phrase used to express that reality was different from one's initial thoughts, often used when discussing challenges.
EN: The pattern 'stop someone from doing something' is used to show that an action or person prevents another action from happening.
日本語: 「stop someone from doing something」という文型は、人や物が別の出来事を阻止したことを表します。
The rain stopped us from playing soccer.
雨のせいで、私たちはサッカーができませんでした。
EN: During the pandemic, 'quarantine' became a common daily word worldwide, referring to the practice of staying isolated to prevent the spread of disease.
EN: Use 'to + verb' (infinitive) to explain the purpose or reason why someone does an action.
日本語: ある動作をする目的や理由を説明するときは、「to + 動詞」(不定詞)を使います。
I study hard to get good grades.
私は良い成績を取るために一生懸命勉強しています。
EN: In scientific contexts, 'make' is a simple way to say 'develop' or 'create'. The sentence highlights the global effort during the pandemic.
EN: When the subject is one person or thing (he, she, it, a vaccine), we add 's' or 'es' to the action word in the present tense.
日本語: 主語が単数(he、she、it、a vaccine など)で事実を述べるときは、動詞の末尾に 's' または 'es' をつけます。
The sun gives us light.
太陽は私たちに光を与えてくれます。
EN: Use the past tense 'got' (from 'get') to talk about actions that happened and finished at a specific time in the past, like 2021.
日本語: 過去の特定の時点(2021年など)に発生し完了した動作を表すには、過去形動詞「got」(get の過去形)を使います。
I got a new phone last week.
私は先週、新しいスマートフォンを買いました。
EN: In English, years are usually read as two separate numbers. 2021 is read as 'twenty twenty-one' rather than 'two thousand twenty-one'.
EN: Use 'adjective + er' followed by 'than' to compare two things. This shows that one thing has more of a quality than the other.
日本語: 2つのものを比較するときは、「形容詞 + er」に「than」を組み合わせます。これにより、一方がある性質をより強く持っていることを示します。
This book is shorter than that one.
この本はあの本よりも短いです。
EN: During the pandemic, public health messages frequently used simple comparisons like this to encourage vaccination and reduce fear.
EN: Use 'fewer' with plural nouns (like people, books, or cars) to show a smaller number of things.
日本語: 可数名詞の複数形(people、books、cars など)を修飾して、数がより少ないことを表すには 'fewer' を使います。
There are fewer students in the classroom today.
今日、教室には生徒がより少ないです。
EN: In English, 'go to the hospital' usually implies seeking medical treatment. In some regions like the UK, people say 'go to hospital' without 'the', but in the US, 'the' is commonly used.
EN: Use 'more + noun + than' to compare the amount of something between two times or situations.
日本語: 2つの時点や状況の間で、物事の量や程度を比較するときは「more + 名詞 + than」を使います。
I have more time than yesterday.
私には昨日よりも多くの時間があります。
EN: In English-speaking cultures, discussing public health awareness (prevention) became a common topic after the 2020 pandemic, reflecting a shift in daily habits like hand-washing and mask-wearing.
EN: Use 'will' followed by a base verb to talk about things that happen in the future.
日本語: 将来起こる出来事を表すには、「will」に動詞の原形を組み合わせます。
I will drink more water tomorrow.
私は明日、もっと水を飲みます。
EN: In many cultures, the pandemic led to a permanent shift in hygiene habits, making frequent hand-washing a social expectation rather than just a personal choice.
EN: Use 'will' to talk about future plans or promises, and 'when' to connect two actions that happen at the same time.
日本語: 未来の予定や約束を表す 'will' と、同時に起こる2つの動作をつなぐ 'when' を使用します。
I will call you when I arrive.
到着したら電話します。
EN: In many Western cultures, staying home when sick is increasingly seen as a sign of respect for others' health, a shift emphasized by the COVID-19 pandemic.
EN: Using a verb ending in '-ing' (Gerund) as the subject of a sentence to talk about an action as a thing.
日本語: 動詞に -ing をつけた「動名詞」を主語にすることで、動作を一つの「出来事・概念」として扱います。
Eating vegetables is healthy.
野菜を食べることは健康に良いです。
EN: In many Asian cultures, wearing a mask is a common practice not only for personal protection but also as a sign of respect to prevent spreading germs to others.
EN: The verb 'teach' can be used in the pattern 'teach someone to do something' to show that someone learned a skill or a lesson.
日本語: 動詞「teach」は「teach someone to do something」(人に〜することを教える)の文型で使い、誰かがスキルや教訓を学んだことを表せます。
My father taught me to ride a bike.
父は私に自転車の乗り方を教えてくれました。
EN: The phrase 'take care of each other' became a common slogan during the COVID-19 pandemic, emphasizing community support and collective responsibility.
IPA発音、定義、例文、インタラクティブクイズ付きの重要な単語。
文中での意味: (感染症などが)広がる、拡散する
文中での意味: 予防、防止
文中での意味: 隔離、検疫
文中での意味: ワクチン
文中での意味: 混雑した、人が多い
文中での意味: パンデミック、世界的大流行
文中での意味: 予想された、想定された
文中での意味: 未来、将来
種類タグ、二言語の定義、使い方の説明、例文を含むフレーズ。
To avoid going near someone or something.
遠ざかる、避ける
To look after someone or something.
世話をする、面倒を見る
To remain in a condition where one is not in danger.
安全に過ごす
In the beginning.
最初は、初めは
The transmission of a pathogen from one person or location to another.
拡散 / 感染拡大
The biological process where the immune system identifies and neutralizes a pathogen.
対抗 / 免疫反応
A public health directive or mandate requiring citizens to remain in their residences to reduce transmission.
外出禁止令 / 在宅防疫