Complete the sentences with the correct form of the verbs in brackets.

1. I _______________ (not / use to / play) computer games very much, but now I love them!
2. I was amazed that I came third in the race because I _______________ (never / run) a marathon before.
3. I’ll call you as soon as I _______________ (get) home.
4. By Christmas, if I stick to this diet, I_______________ (lose) over ten kilograms.
5. Where’s Tom? He _______________ (forget) about the meeting because we were talking about it earlier.