1.   But in the past few weeks some unusually fierce rows have suggested that it could fall apart.

2.   But the past few weeks have seen the killings flare up again.

3.   During the past week, members of Congress and local officials from across the country have urged Clinton to intervene.

4.   During the past weeks he had become tired of putting two and two together, and then discarding the answer.

5.   During these past weeks he had tried in every way to get her out of his mind.

6.   Five soldiers were killed in the past week alone.

7.   For much of the past week I have had this dreadful, stomach-churning feeling of imminent disaster.

8.   For when he checked through the inventory of pain that his body had become over the past weeks David found nothing.

9.   He must learn to relax more, not be racked by the tortured tenseness that had afflicted him for the past weeks.