No | Pattern | Freq | Relations |
---|---|---|---|
1 | over [art] period [verb] | 23 | |
2 | over the period [verb] | 16 | |
3 | over the period [verb] | 16 | |
4 | over [art] period [vb pp] | 9 | |
5 | over a period [verb] | 7 | |
6 | over a period [verb] | 7 | |
7 | over [art] period cover | 5 | |
8 | over [art] period covered | 5 |