Matching Pairs Oxford 6Online version Modals review by Niza Cuevas 1 Ask if you can do that. 2 You can't go there. 3 I think it's that. 4 I can't move my arm. 5 You weren't able to do that. 6 It isn't necessary to do that. 7 Please do that. 8 You are able to do that. You couldn't do that. It might be that. It's forbidden. May I do that? You needen't do that. Would you do that? You can do that. I think it's broken.