| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [art] very long period [prep] | 9 |
|
| 2 | [art] very long period [prep] | 9 |
|
| 3 | a very long period [prep] | 8 |
|
| 4 | a very long period [prep] | 8 |
|
| 5 | very long period [prep] [noun] | 8 |
|
| 6 | very long period [prep] [noun sg] | 8 |
|
| 7 | very long period [prep] time | 5 |
|
| 8 | very long period [prep] time | 5 |
|
