私は一度東京に行ったことがあります。
I have been to Tokyo once.
I've just finished my homework.
私はちょうど(私の)宿題を終わらせました。
「 run 」の過去分詞形
run
I've studied English for three hours.
継続
Kota ( ) already read this book.
has
私は10年間ずっと大阪に住んでいます。
I have lived in Osaka for 10 years.
Have you eaten dinner yet ?
あなたはもう夕食を食べましたか?
「 sing 」の過去分詞形
sung
Have you ever read this book?
経験
Taku and Emi ( ) just arrived.
have
私はあんなに美しい夕日を見たことがありません。
I have never seen such a beautiful sunset.
He's already cleaned his room.
彼はもう(彼の)部屋を掃除しました。
「 teach 」の過去分詞形
taught
Tom has been sick since last Monday.
継続
It has been cloudy ( ) Sunday.
since
あなたはボランティアになってどのくらいですか?
How long have you been a volunteer ?
My favorite season has finally come.
私の好きな季節がついにやって来ました。
「 write 」の過去分詞形
written
He has never been late for school.
経験
I haven’t seen her ( ) a few days.
私たちはようやく清水寺に到着しました。
We have finally reached Kiyomizu-dera Temple.
The weather has been bad since we came here.
私たちがここに来てからずっと天気が悪いです。
「 forget 」の過去分詞形
forgotten
My sister has gone to Canada.
完了
The bus ( ) left yet.
hasn't