No | Pattern | Freq | Relations |
---|---|---|---|
1 | [coord] over a [adj] period | 10 | |
2 | [conj] over a long period | 9 | |
3 | or over a [adj] period | 5 | |
4 | or over a [adj] period | 5 | |
5 | that over a [adj] period | 5 | |
6 | that over a [adj] period | 5 | |
7 | [that] over a [adj] period | 5 |