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