No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] such a long period | 10 | |
2 | [prep] such a long period | 10 | |
3 | over such a long period | 5 | |
4 | over such a long period | 5 | |
5 | such a long period [prep] | 6 | |
6 | such a long period [prep] | 6 | |
7 | such a long period of | 5 | |
8 | such a long period of | 5 |