No | Pattern | Freq | Relations |
---|---|---|---|
1 | a [noun sg] [prep] [art] long period | 7 | |
2 | a [noun] [prep] [art] long period | 7 | |
3 | a [noun] [prep] a long period | 6 | |
4 | a [noun] [prep] a long period | 6 | |
5 | a [noun] for [art] long period | 5 | |
6 | a [noun] [prep] [art] long period | 5 |