No | Pattern | Freq | Relations |
---|---|---|---|
1 | [prep] a [adj] period [prep] [noun] | 488 | |
2 | [prep] a [adj] period [prep] [noun] | 462 | |
3 | [prep] a long [noun] [prep] [noun] | 426 | |
4 | [prep] a long [noun sg] [prep] [noun] | 398 | |
5 | [prep] a long period [prep] [noun] | 134 | |
6 | [prep] [art] long period [prep] [noun] | 128 | |
7 | [prep] a long period [prep] [noun] | 122 | |
8 | [prep] a long period [prep] [noun] | 122 |