81. "Who ate the cake?" she asked. (had)
She wanted to know who had eaten the cake.
82. Make sure you don't arrive late. (turn).
Make sure that you don't turn up late
83. Do your parents allow you to watch TV late at night? (let)
Do your parents let you watch TV late at night ?
84. He was sorry he hadn't said goodbye to her at the airport. (not)
He regretted not having said goodbye to her at the airport.
85. Why don't you ask her yourself? (suggest)
I suggest that you should ask her yourself