No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a fixed period [prep] [noun] | 21 | |
2 | [prep] a fixed period [prep] [noun] | 21 | |
3 | for a fixed period [prep] [noun] | 12 | |
4 | for a fixed period [prep] [noun] | 12 | |
5 | a fixed period [prep] [noun] [conj] | 6 | |
6 | a fixed period [prep] [noun] [coord] | 6 |