| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | and after a [adj] period | 6 |
|
| 2 | and after a [adj] period | 6 |
|
| 3 | and after a period [prep] | 7 |
|
| 4 | and after a period [prep] | 7 |
|
| 5 | and after a period of | 5 |
|
| 6 | and after a period of | 5 |
|
