No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] | 871 | |
2 | [prep] a [adj] period [prep] | 871 | |
3 | within a [adj] [noun] [prep] | 594 | |
4 | within a [adj] [noun sg] [prep] | 352 | |
5 | within [art] [adj] period [prep] | 49 | |
6 | within a [adj] period [prep] | 41 | |
7 | within a [adj] period [prep] | 41 |