No | Pattern | Freq | Relations |
---|---|---|---|
1 | [noun] [prep] a long [noun] | 1331 | |
2 | [noun] [prep] a [adj] period | 766 | |
3 | [noun] [prep] [art] long period | 189 | |
4 | [noun] [prep] [art] long period | 189 | |
5 | [noun] [prep] a long period | 177 | |
6 | [noun] [prep] a long period | 177 |