Which of the following is correct, and why?
Dad has allowed me to purchase a car.
Dad allowed me to purchase a car.
Which of the following is correct, and why?
Dad has allowed me to purchase a car.
Dad allowed me to purchase a car.
Using "has allowed" implies currently/ present tense, while "allowed" insinuates past tense, so you can use either, it just depends in what context you are using it. I hope this helps!