помогите пожалуйста, нужно решить задание под цифрой 2

1.If she is afraid of lifts, she won’t come in. 2.I wish that we had missed the exhibition.3. If he had stopped at the traffic light,he would not have had an accident .4.Unless we don’t leave , we will miss our train.5.if he has a poor diet , he will be ill.6.i wish I was rude to my classmate .