| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] within a period | 12 |
|
| 2 | be [verb] within a period | 12 |
|
| 3 | be [verb] within a period | 10 |
|
| 4 | [be] [verb] within a period | 10 |
|
| 5 | [verb] within a [adj] period | 27 |
|
| 6 | [verb] within a [adj] period | 26 |
|
| 7 | [verb] within a short period | 6 |
|
| 8 | [verb] within a short period | 5 |
|
| 9 | [verb] within a period of | 19 |
|
| 10 | [verb] within a period of | 19 |
|
| 11 | [verb] within a period [prep] | 19 |
|
| 12 | [verb] within a period [prep] | 19 |
|
