When do you use the subjunctive in spanish?

After a bit of reasearch i hope this helps:Tense refers when an action takes place (past, present, future), while mood merely reflects how the speaker feels about the action. The subjunctive mood is rarely used in English, but it is widely used in Spanish. Use this verb quizzer to practice conjugating verbs in the present subjunctive.

Wouldn't it be the letter i? pretty sure it's i

Agame in which two or four players strike a ball with rackets over a net stretched across a court. the usual form (originally called  lawn tennis  ) is played with a felt-covered hollow rubber ball on a grass, clay, or artificial surface.