Roadmap b2 5a
Your cousin is furious because you contradicted her, while she was telling a story to friends.
I shouldn’t have contradicted my cousin while she was telling that story.
You bought some shoes, which didn't fit you, online.
I should have checked the size chart before buying those shoes online.
You bumped into your old head teacher at a concert, but you couldn't recall her name.
I wish I had remembered my old head teacher’s name!