1) Today's program was not as good as yesterday's.

Neither. You do not use an apostrophe to make a plural. The boys.

These are correct: Bill was sentenced to 12 months of imprisonment. Bill was sentenced to 12 months' imprisonment.

Hello I am uncertain of the correct way to write the following sentence: Bill was sentenced to 12 months imprisonment. Bill was sentenced to 12 months' imprisonment. Can you please let me know the correct way to use

Hello Suhanii, the only genitive form available for others is that with apostrophe - others'. Please note that the genitive of other (as well as another ) is rare when the reference is general: * She has another's coat should be

Hi Plural forms in English are nearly always written without an apostrophe. However, if you meant a possesive form, you do have to use one. But this is not entirely clear from what you've written. So, almost never an apostrophe with plurals.

If I write a list of 5 things starting with a B is it 5 Bs or 5 B's?

It's fine, but if you don't like it, change it to: Congratulations on 10 years of service.

The apostrophe is required -- and so is a full stop / a period at the end. CB

Is the apostrophe in the following line incorrect or is it acceptable Congratulations on 10 years' service