Present perfect simple 1) complete the sentence using a verb from the list in present perfect simple form. collect install organize paint plant put up recycle replace send show what we have done to make our school a greener place. 1 wе have sent information leaflets to all parents. 2 we information posters in every classroom. 3 we over five tones of litter for recycling. 4 we fifteen trees in front of the school. 5 we 50 light bulbs with energy-saving bulbs. 6 we 25 ink cartridges from computer printers. 7 we three films about how to save energy. 8 we signs on all the doors reminding people to turn off the lights. 9 we five new energy-saving heaters. 10 we teams of students to turn off unused lights.