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