| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after a [adj] period of | 64 |
|
| 2 | after a [adj] period of | 64 |
|
| 3 | after a [adj] period of | 62 |
|
| 4 | after a long period of | 16 |
|
| 5 | after a long period of | 16 |
|
| 6 | after a short period of | 6 |
|
| 7 | after a reasonable period of | 5 |
|
| 8 | after a reasonable period of | 5 |
|
| 9 | after a short period of | 5 |
|
