Make all necessary changes and additions to produce a complete sentence from each of the following set of words and sentences

Make all necessary changes and additions to produce a complete sentence from each of the following set of words and sentences.
1. He used / work here / porter //
2. He / work / an office / fifth floor / this building //
3. I / be told / not / use / office phone / personal calls //
4. We / have / dinner when / some guests / come / yesterday //
5. They / be married / since 1970 //
Complete this sentence in such away that it means the same as the sentence printed before it.
6. He has been living on his pension for four years.
=> He began _________________________________