No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a long period and | 13 | |
2 | [prep] [art] long period and | 13 | |
3 | [prep] a long period and | 13 | |
4 | [prep] [art] long period and | 13 | |
5 | over [art] long period and | 11 | |
6 | over [art] long period and | 11 | |
7 | [prep] [art] long period and | 11 |