11. The floers can be infected by insects Modal+ be+ pp Modals e.g can, may, must Do you know who is going to be invited ? (to) be + pp Infinitive The problem could have been solved . Modal+ have been+ pp Modals e.g could, had to, etc There’s no point in hurrying. It will all have been eaten by now. will have been + pp Future perfect They are going to be sold by the manager Is/are going to be +pp Going to future The boy will be invited to the party by his friend will be + pp Will future Example Form passive