| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [adv] [art] period of | 12 |
|
| 2 | [noun sg] [vb past] [adv] [art] period of | 10 |
|
| 3 | [vb past] [adv] [prep] [art] period of | 15 |
|
| 4 | [vb past] [adv] [prep] [art] period of | 15 |
|
| 5 | [vb past] [adv] during [art] period of | 6 |
|
| 6 | [vb past] [adv] during [art] period of | 6 |
|
| 7 | [vb past] [adv] over [art] period of | 5 |
|
| 8 | [vb past] [adv] over [art] period of | 5 |
|
| 9 | [vb past] [adv] [art] period of [noun] | 13 |
|
| 10 | [vb past] [adv] [art] period of [noun sg] | 10 |
|
| 11 | [vb past] [adv] [art] period of time | 7 |
|
| 12 | [vb past] [adv] [art] period of time | 7 |
|
| 13 | [vb past] [adv] [art] period of [adj] | 7 |
|
| 14 | [vb past] [adv] [art] period of [num] | 6 |
|
