No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 773 | |
2 | [prep] a fixed [noun] [prep] | 189 | |
3 | [prep] a fixed [noun sg] [prep] | 189 | |
4 | [prep] [art] fixed period [prep] | 30 | |
5 | [prep] [art] fixed period [prep] | 30 | |
6 | [prep] a fixed period [prep] | 29 | |
7 | [prep] a fixed period [prep] | 29 | |
8 | [prep] a fixed period [prep] | 29 |