Ben sınavdayken lütfen kimse kapıyı çalmasın.

to be

Breakdown of Ben sınavdayken lütfen kimse kapıyı çalmasın.

• ben: I
• kapı: the door
• lütfen: please

Questions & Answers about Ben sınavdayken lütfen kimse kapıyı çalmasın.

What does the ending in sınavdayken mean, and why is there a y?

• Break it down: sınav + da + (i)ken → sınavdayken.
• -DA is the locative suffix “at/in,” and (i)ken means “while/when.”
• Because sınavda ends in a vowel, Turkish inserts a buffer y before -ken: sınavda iken → sınavdayken.
• Similar examples: evdeyken (while at home), işteyken (while at work), Türkiye’deyken (while in Turkey).

Do I need to say ben, or can I just say Sınavdayken lütfen kimse…?

• You can drop ben if the context already makes it clear who is in the exam.
• Sınavdayken itself doesn’t mark the person; without ben it could refer to I/you/he/she/we/they depending on context.
• Ben makes it explicit: it’s “while I am in the exam.”

What mood/tense is çalmasın?

• It’s the 3rd person singular negative of the optative/imperative: “let him/her/it not …,” often rendered as “should not.”
• Morphology: çal- (knock/ring) + -ma (negation) + -sın (3rd person optative) → çalmasın.
• Affirmative counterpart: çalsın (“let him/her knock”).

Why is it kapıyı (accusative) and not kapıya?