0 had been. If you wanted to use "was", you'd have to re-write the sentence a bit. 0-
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01cite10Marvin A.12cite10had been. If you wanted to use "was", you'd have to re-write the sentence a bit.12blockquote10Thanks, Marius. Could you please rephrase it using 'was' so that I can have a clearer picture.02br
01cite10Yoong Liat12cite10Since this incident, Mr Koh has closed all the windows in the living room before going to bed. He believes10 that the fire was /11b10had been12b10 11b10started 12b10by a vandal who set fire to his curtain through the open windows.12blockquote