No | Pattern | Freq | Relations |
---|---|---|---|
1 | over [art] long period [conj] | 16 | |
2 | over a long period [conj] | 16 | |
3 | over a long period [conj] | 16 | |
4 | over [art] long period [coord] | 12 | |
5 | over [art] long period and | 11 | |
6 | over [art] long period and | 11 | |
7 | over [art] long period [conj] | 10 | |
8 | over [art] longer period [conj] | 6 |