All of these are sentences I would like write in the
1: I would have gone by taxi, if I had had enough money.
2: He gladly would have taken his children for a walk, if he had been not so busy.
3: A traffic policeman would have found it sooner or later, if you had parked your car in the wrong place.
4: They would have made so many mistakes, if they had been attentive.
5: She would have let me know, if she had received.
If I didn't understand correctly, would you please correct me.