Vi. все пропущенные формы данных причастий i. образец: indefinite active – writing indefinite passive – being written perfect active – having written perfect passive – having been written : going, working, asking, thinking, being done, having been prepared.

1.being gone;having gone;having been gone
2.being worked;having worked;having been worked
3.being thought;having thought;having been thought
4.doing;having done;having been done
5.preparing;being prepared;having prepared