No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [prep] a [adj] period | 766 | |
2 | [noun] [prep] a short [noun] | 523 | |
3 | [noun] [prep] a short [noun sg] | 519 | |
4 | [noun] [prep] [art] short period | 61 | |
5 | [noun] [prep] [art] short period | 61 | |
6 | [noun] [prep] a short period | 55 | |
7 | [noun] [prep] a short period | 55 |