| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | the [noun] [prep] a long [noun] | 353 |
|
| 2 | the [noun] [prep] a long [noun sg] | 347 |
|
| 3 | the [noun] [prep] a [adj] period | 118 |
|
| 4 | [art] [noun] [prep] a long period | 34 |
|
| 5 | the [noun] [prep] [art] long period | 30 |
|
| 6 | the [noun] [prep] [art] long period | 30 |
|
| 7 | the [noun] [prep] a long period | 27 |
|
| 8 | the [noun] [prep] a long period | 27 |
|
| 9 | the [noun] [prep] a long period | 27 |
|
