Relier Pairs RemorsesVersion en ligne Practice structures to express regrets. par Indra Martínez 1 I ought to have used less electricity. 2 Those red shoes doesn't fit her. 3 These light bulbs over waste energy. 4 The show is completely sold out! 5 Ted and Will wish they'd taken the bus this morning. I should have bought the energy saving ones. Now, they're late This bill is so big. She wishes she hadn't bought them. If only I had arrived sooner.