

roo m s c\eaned?.ģ (glass / make / from sand) G lass.Ĥ (the windows / clean / every two weeks). Ģ (how often / these rooms / clean?).How o fte n. Some of the sentences are questions.ġ (the office / clean / every day).T h e o jfic e je cleaned e v e ry d a y.

Is being done / has been done Unit 22 irregular verbs *♦ Unit 24, Appendix 2 -3 by Unit 111 O Do you like these paintings? They were painted by a friend of mine. O The telephone was invented by Alexander Bell in 1876. O 'Was anybody injured in the accident?' 'Yes, two people were taken to hospital.’ O We weren’t invited to the party last week. The past participle of regular verbs is -ed (cleaned/damaged etc.).įor a list of irregular past participles (done/built/taken etc.), see Appendix 2-3.
