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