1.The meeting will be held before May Day .
2.Things were being sold when the fight began.
3.The prices must be seen in the shop window.
4.13 is belived that is unlucky number.
5.I wish I had been met you at the station.
6.The meeting will be held before may day.
7.The greatest effort must be had to make in fulfilling the plan in time.
8.Something must be done for these poor men.
9.He was no paid for the work.
10.The student were told where to sit.