Sentence help and correction

Thanks. What about if I want to say:
you are given a free ticket every two years.
you are given a free ticket every two years of work.
you are given a free ticket every two working years.

Please correct each of the above sentences. and which one of them is best?

Thank you in advance

Anonymouswhich one of them is best?

Please base your new sentence on the corrected structure I have already given you.

I am sorry. I got the first part but want I want to try to say is that employees receive tickets every two after employment. So that is why I requested that you help me with the above sentences that are a bit different than the corrected structure that you had given me.

Would you please provide your input on the sentences above? My main concern is on how to say the last part which is 'eve

Thanks. So here the word enployment means the engagment in work? Does the word employment mean the same as work?

I also want to know if I can say: you are eligible for a free ticket after two years of work or working years (just out of curiosity).

Anonymous Does the word employment mean the same as work?

Yes, it is the formal word for it.

AnonymousI also want to know if I can say: you are eligible for a free ticket after two years of work or working years (just out of curiosity).

It is not so professional.

Got it. Thank you very much!