b. You needn't repair that old typewriter

needn't Vnt

c. There is no point in making an appointnent to see the bank manager

There's no point in Ving

d. In the event, we needn't have taken out the extra insurance

e. You needn't have any previous experience to apply for the job

b. It is poindess to repair that old typewrite.

-> you needn't repair that old typewrite.

c. It isn't necessary to make an appointnent to see the bank manager.

-> there is no reason to make an appointnent to see the bank manager..

d. In event,the extra insurance we took out wasn't necessary.

-> In the event,we needn't take out the extra insurance.

e. It isn't necessary to have any previous experience to apply for the job.

-> you needn't have any previous experience to apply for the job.