No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a period of [noun] | 575 | |
2 | [prep] a period of [noun sg] | 452 | |
3 | over a period of [noun] | 296 | |
4 | over a period of [noun] | 296 | |
5 | [prep] a period of time | 239 | |
6 | [prep] a period of time | 239 | |
7 | [prep] a period of [noun pl] | 123 | |
8 | [prep] a period of year | 71 | |
9 | [prep] a period of years | 70 | |
10 | for a period of [noun] | 59 | |
11 | for a period of [noun] | 59 | |
12 | after a period of [noun] | 57 | |
13 | after a period of [noun] | 57 | |
14 | in a period of [noun] | 38 | |
15 | in a period of [noun] | 38 | |
16 | [prep] a period of month | 20 | |
17 | [prep] a period of months | 20 | |
18 | [prep] a period of weeks | 19 | |
19 | during a period of [noun] | 19 | |
20 | during a period of [noun] | 19 | |
21 | [prep] a period of week | 19 | |
22 | to a period of [noun] | 16 | |
23 | to a period of [noun] | 16 | |
24 | of a period of [noun] | 16 | |
25 | of a period of [noun] | 16 | |
26 | as a period of [noun] | 16 | |
27 | as a period of [noun] | 16 | |
28 | by a period of [noun] | 15 | |
29 | by a period of [noun] | 15 | |
30 | through a period of [noun] | 12 |