| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [prep] [art] [adj] period of | 57 |
|
| 2 | [adv] [prep] a [adj] period of | 46 |
|
| 3 | [adv] for [art] [adj] period of | 23 |
|
| 4 | [adv] [prep] [art] long period of | 12 |
|
| 5 | [adv] [prep] [art] long period of | 12 |
|
| 6 | [adv] over [art] [adj] period of | 10 |
|
| 7 | only [prep] [art] [adj] period of | 10 |
|
| 8 | [adv] [prep] the [adj] period of | 10 |
|
| 9 | [adv] after [art] [adj] period of | 9 |
|
| 10 | [adv] [prep] [art] short period of | 8 |
|
| 11 | [adv] [prep] [art] short period of | 8 |
|
| 12 | [adv] in [art] [adj] period of | 7 |
|
| 13 | least [prep] [art] [adj] period of | 6 |
|
| 14 | [adv] [prep] [art] continuous period of | 5 |
|
| 15 | [adv] [prep] [art] continuous period of | 5 |
|
| 16 | apart [prep] [art] [adj] period of | 5 |
|
