No | Pattern | Freq | Relations |
---|---|---|---|
1 | that over a period of | 6 | |
2 | that over a period [prep] | 6 | |
3 | that over a period [prep] | 6 | |
4 | that over a period of | 6 | |
5 | that over a period [prep] | 6 | |
6 | that over a period [prep] | 6 |
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