No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period [conj] | 28 | |
2 | over a long period [conj] | 16 | |
3 | [prep] a longer period [conj] | 15 | |
4 | [prep] a longer period [conj] | 15 | |
5 | over a longer [noun] [conj] | 7 | |
6 | over [art] longer period [conj] | 6 | |
7 | over [art] longer period [conj] | 6 | |
8 | over a longer period [conj] | 6 | |
9 | over a longer period [conj] | 6 | |
10 | over a [adj -er] period [conj] | 6 |