Passive voice – modal verbs
www.viennatouristguide.at › passive › level3_modal_pdfpassive voice modal verbs.at LSUNGEN The children can read books. Books can be read by the children. Susan has to learn geography. Geography has to be learned by Susan. The dog should bring the bones. The bones should be brought by it. Tom must open the window. The window must be opened by him Poor people can not spend a lot of money.