| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] during a period | 12 |
|
| 2 | [noun sg] [verb] during a period | 7 |
|
| 3 | be [verb] during a period | 5 |
|
| 4 | [be] [verb] during a period | 5 |
|
| 5 | [verb] [noun] during a period | 6 |
|
| 6 | [verb] during a [adj] period | 15 |
|
| 7 | [verb] during a [adj] period | 15 |
|
| 8 | [verb] during a period [prep] | 21 |
|
| 9 | [verb] during a period [prep] | 21 |
|
| 10 | [verb] during a period of | 19 |
|
| 11 | [verb] during a period of | 19 |
|
