Complex modals 29-30 3.4 Complete these sentences with be, have or have been. 1 The ground is wet. It must raining hard while we were in the cinema. 2 Gibberish is speech that seems to have no meaning and cannot... 3 My uncle used to have a great motorbike. He should never 4 You can take those boxes if you want. We won't....... understood. sold it. needing them.