No | Pattern | Freq | Relations |
---|---|---|---|
1 | over a [adj] period of time | 120 | |
2 | [prep] a long period of time | 98 | |
3 | [prep] a long period of time | 98 | |
4 | over a long period of [noun] | 81 | |
5 | over a long period [prep] time | 77 | |
6 | over a long period of time | 77 | |
7 | over a long period [prep] time | 77 | |
8 | over a long period of time | 77 | |
9 | over a long [noun sg] of time | 77 | |
10 | over [art] long period of time | 77 | |
11 | over a long [noun] of time | 77 | |
12 | over a long period of time | 77 | |
13 | over [art] long period of time | 77 | |
14 | over a long period of time | 77 |