| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] a period | 506 |
|
| 2 | held [prep] a [noun] | 346 |
|
| 3 | held [prep] a [noun sg] | 304 |
|
| 4 | [vb pp] [prep] a period | 269 |
|
| 5 | held [prep] [art] period | 11 |
|
| 6 | held [prep] a period | 5 |
|
| 7 | hold [prep] a period | 5 |
|
| 8 | held [prep] a period | 5 |
|
