《can》 She can swim. ↓ Can she swim? 彼女は泳げますか。 ※ 丁寧な表現→ Could she swim? ↓ Yes, she can./No, she can't. 《will》 You will come to the party. ↓ Will you come to the party? パーティーに来ますか。 ※ 丁寧な表現→ Would you come to…