| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] [art] [adj] period [prep] | 576 |
|
| 2 | [noun] [prep] [art] long [noun] [prep] | 555 |
|
| 3 | [noun] [prep] [art] long [noun sg] [prep] | 505 |
|
| 4 | [noun] [prep] [art] long period [prep] | 91 |
|
