| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun] [prep] a [adj] period | 190 |
|
| 2 | [adj] [noun] [prep] a long [noun] | 188 |
|
| 3 | [adj] [noun] [prep] a long [noun sg] | 185 |
|
| 4 | [adj] [noun] [prep] a [adj] period | 170 |
|
| 5 | [adj] [noun] [prep] a long period | 46 |
|
| 6 | [adj] [noun] [prep] a long period | 43 |
|
| 7 | [adj] [noun] [prep] [art] long period | 34 |
|
| 8 | [adj] [noun] [prep] a long period | 33 |
|
| 9 | [adj] [noun] [prep] a long period | 33 |
|
