| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [be] [art] long period | 5 |
|
| 2 | [be] [art] long period [prep] | 8 |
|
| 3 | [be] [art] long period of | 8 |
|
| 4 | [be] [art] long period of | 8 |
|
| 5 | [be] [art] long period [prep] | 8 |
|
