Past tenses: indefinite, continuous perfect, perfect continuous i (to realize )that i (to forget ) my wallet at home, when i (to come )to the shop the(set) the company 2 years ago, but they (to go) bankpurt

I realized I had forgotten my wallet at home when I was coming to the shop.

They set the company 2 years ago, but they went bankrupt.

1. I realised that I had forgotten my wallet at home when I was coming to the shop.
2. They set the company 2 years ago, but they aren't going bankpurt.

1. realised — Past Simple
    had forgotten — Past Perfect
    was coming — Past Continuous

2. set — Past SImple
    aren't going — Present Continuous