Answer:

Affirmative

1) He/she/it visited Istanbul on holiday.

2) We/you/they took some nice photos this morning.

Negative

1) I/you didn't live in this town last year.

2) He/she/it didn't visit Izmir on holiday.

3) We/you/they didn't take any photos this morning.

(лучший ответ пожалуйста)