| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] [adv] long period [prep] [noun] | 17 |
|
| 2 | [art] [adv] long period [prep] [noun] | 17 |
|
| 3 | a [adv] long period [prep] [noun] | 16 |
|
| 4 | a [adv] long period [prep] [noun] | 16 |
|
| 5 | [art] [adv] long period of [noun] | 16 |
|
| 6 | [art] [adv] long period [prep] [noun sg] | 16 |
|
| 7 | [art] [adv] long period [prep] [noun] | 14 |
|
| 8 | [art] [adv] long period [prep] time | 13 |
|
| 9 | [art] [adv] long period [prep] time | 13 |
|
| 10 | [art] very long period [prep] [noun] | 7 |
|
| 11 | [art] very long period [prep] [noun] | 7 |
|
