英語を学ぶ上で、現在時制を理解することは非常に重要です。現在時制には、現在形（Simple Present）、現在進行形（Present Continuous）、現在完了形（Present Perfect）などがあり、それぞれに特徴があります。日常会話からビジネスシーンまで幅広い場面で使用されるため、これらを正しく使い分ける能力を養うことは、流暢な英会話への第一歩と言えるでしょう。
この演習では、それぞれの現在時制を使用した空欄埋めの例文を通じて、正しい時制を選び文を完成させるトレーニングを行います。初学者から中級者まで、実際の文脈に即した文で練習することで、英文法の理解を深め、自然な英語表現が身につけられることを目指しています。
演習1: 現在形（Simple Present）を使った文
He *eats* (eat) dinner at 7 pm every day.
She *speaks* (speak) three languages fluently.
I *go* (go) to the gym every Monday and Wednesday.
The Earth *revolves* (revolve) around the Sun.
Cats *prefer* (prefer) sleeping in the sunlight.
The store *opens* (open) at 9 o’clock in the morning.
Water *boils* (boil) at 100 degrees Celsius.
Ted *reads* (read) the newspaper every morning.
My brother and I *play* (play) football on the weekends.
Birds *migrate* (migrate) to warmer climates in the winter.
She never *wears* (wear) a hat, even when it’s cold.
My mother *makes* (make) the best chocolate cake.
Dogs *bark* (bark) when they hear a strange noise.
Traffic *increases* (increase) during rush hour.
Our teacher *gives* (give) us a lot of homework.
演習2: 現在進行形（Present Continuous）を使った文
The children *are playing* (play) in the park right now.
I *am studying* (study) for my exams this week.
She *is cooking* (cook) dinner at the moment.
They *are working* (work) on a new project these days.
He *is running* (run) a marathon, so he cannot answer the phone.
It *is raining* (rain) outside, so you’ll need an umbrella.
We *are planning* (plan) our vacation for next month.
The company *is expanding* (expand) its business into Asia.
I *am looking* (look) for my keys but can’t find them anywhere.
She *is trying* (try) to quit smoking.
He *is thinking* (think) about changing his job.
My parents *are celebrating* (celebrate) their anniversary today.
The artists *are exhibiting* (exhibit) their work at the gallery.
I *am feeling* (feel) a bit tired; I might take a nap.
The mechanic *is fixing* (fix) the car as we speak.
