No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adv] [adj] period | 19 | |
2 | over a [adv] long period | 10 | |
3 | over a [adv] short period | 7 | |
4 | over a very [adj] period | 6 | |
5 | over a very [adj] period | 6 | |
6 | over a relatively [adj] period | 5 | |
7 | over a relatively [adj] period | 5 |