No | Pattern | Freq | Relations |
---|---|---|---|
1 | over [art] long period of time | 77 | |
2 | over a long period of time | 77 | |
3 | over a long period of time | 77 | |
4 | over [art] long period of time | 77 | |
5 | over [art] long period of time | 71 | |
6 | over [art] longer period of time | 6 |