just done some research on What is a subordinating conjunction , I think i know what you on about. I've attempted What subordinating conjunction in the sentence below with a coma. Is it a right, or incorrect?
1) After going to the shops, I had realised I had forgotten the key ingredient.
2) Because Sarah was badly injured, She could no longer participate in the race.
3) Whenever I use a comma, I always get confused.
4) Since we're cooking, we should really try to make a cake.