| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] the period | 442 |
|
| 2 | [verb] [prep] the period | 442 |
|
| 3 | [vb pp] [prep] the period | 224 |
|
| 4 | [verb] during the period | 129 |
|
| 5 | [verb] during the period | 129 |
|
| 6 | [verb] in the period | 86 |
|
| 7 | [verb] in the period | 86 |
|
| 8 | [vb past] [prep] the period | 53 |
|
| 9 | [v-ing] [prep] the period | 53 |
|
| 10 | [verb] to the period | 44 |
|
| 11 | [verb] to the period | 44 |
|
| 12 | [verb] over the period | 43 |
|
| 13 | [verb] over the period | 43 |
|
| 14 | [verb] for the period | 34 |
|
| 15 | [verb] for the period | 34 |
|
| 16 | [vb infin] [prep] the period | 32 |
|
| 17 | [vb -s] [prep] the period | 31 |
|
| 18 | [vb base] [prep] the period | 27 |
|
| 19 | [to-vb] [prep] the period | 22 |
|
| 20 | [verb] from the period | 20 |
|
| 21 | [verb] from the period | 20 |
|
| 22 | [verb] within the period | 16 |
|
| 23 | [verb] within the period | 16 |
|
| 24 | [verb] throughout the period | 16 |
|
| 25 | [verb] throughout the period | 16 |
|
| 26 | [verb] on the period | 14 |
|
| 27 | [verb] on the period | 14 |
|
| 28 | occur [prep] the period | 12 |
|
| 29 | [verb] with the period | 11 |
|
| 30 | [verb] with the period | 11 |
|
