No | Pattern | Freq | Relations |
---|---|---|---|
1 | [adj] [noun] [vb base] [prep] a period | 6 | |
2 | [noun] [vb base] [prep] a period [prep] | 10 | |
3 | [noun] [vb base] [prep] a period [prep] | 10 | |
4 | [noun] [vb base] [prep] a period of | 9 | |
5 | [noun] [vb base] [prep] a period of | 9 |