| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after a [adj] [noun sg] period | 5 |
|
| 2 | after a [adj] [noun] period | 5 |
|
| 3 | after a [adj] period [prep] | 10 |
|
| 4 | after a [adj] period [prep] | 10 |
|
| 5 | after a [adj] period of | 8 |
|
| 6 | after a [adj] period of | 8 |
|
