Underline the correct forms in the dialogue
Sam: Susan, I thought (you have had / you had had) an accident, and wouldn't
be at work today.
Susan: Hey Sam. You're right. I did have an accident (but I has been recovering/
but I have been recovering) for a couple of days now.
Sam: What happened? (Have you already / would you already been checked
out by a doctor?
Susan: Well, (I have been painting/I had been painting) the walls in my bedroom,
when the ladder fell. I landed on my arm.
Sam: Oh no. (Hadn't you noticed / Couldn't you noticed) that the ladder was slipping?
Susan: No. It all happened so fast. By the time I have realized / I had realized)
what was happening, it was already too late.​