HELP me please Исправьте предложения, если есть ошибка.

I’m sure I went wrong anywhere there.
We have never done something to hurt him.
Let me explain something to you.
Nobody can give me what I really want.
We cannot pretend that anything has happened.
Often they have anywhere to go.
I need something to talk to.
I cannot confirm nothing now.
You won’t find anyone like him anywhere.
She asked around and anybody knew.

Jagger threatened to resign if the government was defeated.

If the company had agreed, we could have made rapid progress.

The company will refund you if you change your mind.

The exhibition might have closed if they hadn't found new sponsors.

I would refuse to cooperate if I were in your position.

Please inform your doctor immediately if she shows signs of improvement.

Molly and Sali would have realized their mistake if they had only stayed until the end.

You can assume that we agree if you don't hear from us by Sunday.

If you drink too much coffee, you won't be able to sleep.

If John had known about the meeting, he would have come.

вот перевод:

1. Я ... (иду) в театр, если я ... (иду) сегодня вечером. 2. Я ... (злюсь), если ты ... (возвращаешься) очень поздно. 3. Мы ... (увидим) друг друга в следующем месяце, если мы ... (не увидим) друг друга в следующем месяце. 4. Если они ... (приходят), я ... (очень) удивляюсь. 5. Мы ... (опоздаем), если мы ... (подождем) здесь. 6. Мы ... (поехали) в Италию, если мы ... (поедем) в отпуск этой осенью. 7. У нас ... (нет / есть) пикник, если погода ... (нет / улучшается). 8. Питер и Джек ... (идут) на вечеринку, если они 9. Л. (устают) завтра, если я ... (не пойду), чтобы прислушаться к этому вечеру (быть) приглашенным.