Она сказала, что очень занята и ещё

Она сказала, что очень занята и ещё не была в театре после каникул.

Результаты (английский) 1:

She said she is very busy and has not been in the theater after the holidays.

Результаты (английский) 2:

She said that she is very busy and has not been to the theater after the holidays.

Результаты (английский) 3:

She said that she is very busy and has not yet been in the theater after holidays.