No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period of | 137 | |
2 | over a long period of | 84 | |
3 | [prep] a longer period of | 12 | |
4 | over a [adj -er] period of | 9 | |
5 | over a longer period [prep] | 8 | |
6 | over a longer period [prep] | 8 | |
7 | over a longer period of | 7 | |
8 | over a longer [noun sg] of | 7 | |
9 | over [art] longer period of | 7 | |
10 | over [art] longer period of | 7 | |
11 | over a longer period of | 7 | |
12 | over a longer period of | 7 | |
13 | over a longer [noun] of | 7 |