| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for a [adv] [adj] period of | 17 |
|
| 2 | [prep] a [adv] long period of | 11 |
|
| 3 | [prep] a [adv] long period of | 11 |
|
| 4 | for a [adv] long [noun sg] of | 8 |
|
| 5 | for a [adv] long [noun] of | 8 |
|
| 6 | for a [adv] long period [prep] | 7 |
|
| 7 | for a [adv] long period [prep] | 7 |
|
| 8 | for a [adv] long period of | 6 |
|
| 9 | for a [adv] long period of | 6 |
|
| 10 | for [art] [adv] long period of | 6 |
|
| 11 | for a [adv] long period of | 6 |
|
| 12 | for [art] [adv] long period of | 6 |
|
| 13 | for a [adv] long period of | 6 |
|
| 14 | for a [adv] long period of | 6 |
|
