No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period [prep] | 183 | |
2 | over a long period [prep] | 93 | |
3 | [prep] a longer period [prep] | 17 | |
4 | [prep] a longer period [prep] | 17 | |
5 | over a [adj -er] period [prep] | 10 | |
6 | over a longer [noun] [prep] | 8 | |
7 | over a longer [noun sg] [prep] | 8 | |
8 | over [art] longer period [prep] | 8 | |
9 | over a longer period [prep] | 8 | |
10 | over a longer period [prep] | 8 | |
11 | over a longer period [prep] | 8 |