| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] a [adj] period for the | 5 |
|
| 2 | be a [adj] period for the | 5 |
|
| 3 | a [adj] period for the [noun] | 9 |
|
| 4 | a [adj] period for the [noun sg] | 7 |
|
