1.   But the most surprising fact about this is that all these events took place during the deposition of a single graptolite zone.

2.   Definitely is more common in spoken English than certainly?

3.   Incredible as they seem, these events certainly took place.?

4.   Meanwhile a momentous event took place in the lobby.

5.   Momentous events are taking place in the US.

6.   Momentous events were taking place in Russia.

7.   Should this unlikely event take place, she did not want to be caught looking less than her usual immaculate self.

8.   The event takes place in the magnificent setting of Bramham Park.

9.   The event took place last year.